Revert "Make Android selection directory"

This reverts commit 4ae371bc93bcfd0b3033c29701b33f0516b8d0ad.

Reason for revert: It broke downstream arm-unpublished-builder-rel bot

Original change's description:
> Make Android selection directory
> 
> Bug: 801035
> Change-Id: If407b604d8db0af022616a93a0db6dfd16e4d731
> Reviewed-on: https://chromium-review.googlesource.com/860481
> Reviewed-by: Bo <boliu@chromium.org>
> Commit-Queue: Pedro Amaral <amaralp@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#528641}

TBR=boliu@chromium.org,amaralp@chromium.org

Change-Id: I5807816720ff8e3b46f7ae318e7a3604de9e16d5
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 801035
Reviewed-on: https://chromium-review.googlesource.com/862164
Reviewed-by: Yoland Yan <yolandyan@chromium.org>
Commit-Queue: Yoland Yan <yolandyan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#528785}

• android_webview/glue/java/DEPS[diff]
• android_webview/glue/java/src/com/android/webview/chromium/WebViewChromiumFactoryProvider.java[diff]
• android_webview/java/DEPS[diff]
• android_webview/java/src/org/chromium/android_webview/PopupTouchHandleDrawable.java[diff]
• content/public/android/BUILD.gn[diff]
• content/public/android/java/src/org/chromium/content/browser/ContentClassFactory.java[diff]
• content/public/android/java/src/org/chromium/content/browser/ContentViewCoreImpl.java[diff]
• content/public/android/java/src/org/chromium/content/browser/FloatingActionModeCallback.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/FloatingActionModeCallback.java - diff]
• content/public/android/java/src/org/chromium/content/browser/MenuDescriptor.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/MenuDescriptor.java - diff]
• content/public/android/java/src/org/chromium/content/browser/SelectionEventProxyImpl.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/SelectionEventProxyImpl.java - diff]
• content/public/android/java/src/org/chromium/content/browser/SelectionIndicesConverter.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/SelectionIndicesConverter.java - diff]
• content/public/android/java/src/org/chromium/content/browser/SelectionInsertionHandleObserver.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/SelectionInsertionHandleObserver.java - diff]
• content/public/android/java/src/org/chromium/content/browser/SelectionPopupControllerImpl.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/SelectionPopupControllerImpl.java - diff]
• content/public/android/java/src/org/chromium/content/browser/SmartSelectionClient.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/SmartSelectionClient.java - diff]
• content/public/android/java/src/org/chromium/content/browser/SmartSelectionMetricsLogger.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/SmartSelectionMetricsLogger.java - diff]
• content/public/android/java/src/org/chromium/content/browser/SmartSelectionProvider.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/SmartSelectionProvider.java - diff]
• content/public/android/java/src/org/chromium/content/browser/input/FloatingPastePopupMenu.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/FloatingPastePopupMenu.java - diff]
• content/public/android/java/src/org/chromium/content/browser/input/HandleViewResources.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/HandleViewResources.java - diff]
• content/public/android/java/src/org/chromium/content/browser/input/LGEmailActionModeWorkaround.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/LGEmailActionModeWorkaround.java - diff]
• content/public/android/java/src/org/chromium/content/browser/input/LegacyPastePopupMenu.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/LegacyPastePopupMenu.java - diff]
• content/public/android/java/src/org/chromium/content/browser/input/PastePopupMenu.java[Renamed from content/public/android/java/src/org/chromium/content/browser/selection/PastePopupMenu.java - diff]
• content/public/android/java/src/org/chromium/content/browser/selection/OWNERS[Deleted - diff]
• content/public/android/java/src/org/chromium/content_public/browser/ActionModeCallbackHelper.java[diff]
• content/public/android/java/src/org/chromium/content_public/browser/SelectionClient.java[diff]
• content/public/android/java/src/org/chromium/content_public/browser/SelectionPopupController.java[diff]
• content/public/android/javatests/src/org/chromium/content/browser/ContentViewCoreSelectionTest.java[diff]
• content/public/android/javatests/src/org/chromium/content/browser/input/ImeActivityTestRule.java[diff]
• content/public/android/junit/src/org/chromium/content/browser/MenuDescriptorTest.java[Renamed from content/public/android/junit/src/org/chromium/content/browser/selection/MenuDescriptorTest.java - diff]
• content/public/android/junit/src/org/chromium/content/browser/SelectionPopupControllerTest.java[Renamed from content/public/android/junit/src/org/chromium/content/browser/selection/SelectionPopupControllerTest.java - diff]
• content/public/android/junit/src/org/chromium/content/browser/SmartSelectionMetricsLoggerTest.java[Renamed from content/public/android/junit/src/org/chromium/content/browser/selection/SmartSelectionMetricsLoggerTest.java - diff]
• content/public/android/junit/src/org/chromium/content/browser/selection/OWNERS[Deleted - diff]