Revert 176176
> Update Android build to API level 17 and SDK Tools version 21
> 
> Some fixes included:
> - Changes to resource management to account for new R.java packaging
>   from library projects
>   (https://android-review.googlesource.com/#/c/43134/).
> - Fixed the package for some inludes in ModalDialogTest.java. This only
>   worked because of how we previously used to aggregate all resoures
>   from the prior layer. With the new packaging, we must use the resource
>   from the appropriate layer.
> 
> BUG=163001,166434
> NOTRY=true
> 
> Review URL: https://chromiumcodereview.appspot.com/11819047

TBR=yfriedman@chromium.org
Review URL: https://codereview.chromium.org/11783108

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@176198 0039d316-1c4b-4281-b951-d872f2087c98

• DEPS[diff]
• android_webview/java/AndroidManifest.xml[diff]
• android_webview/javatests/AndroidManifest.xml[diff]
• build/android/ant/chromium-apk.xml[diff]
• build/android/ant/create-test-jar.js[diff]
• build/android/envsetup.sh[diff]
• build/android/process_resources.py[diff]
• build/java.gypi[diff]
• build/java_apk.gypi[diff]
• chrome/android/javatests/src/org/chromium/chrome/browser/test/ModalDialogTest.java[diff]
• chrome/android/testshell/java/AndroidManifest.xml[diff]
• chrome/android/testshell/javatests/AndroidManifest.xml[diff]
• content/shell/android/java/AndroidManifest.xml[diff]
• content/shell/android/javatests/AndroidManifest.xml[diff]
• testing/android/AndroidManifest.xml[diff]