[DirectoryOwnership] Add TEAM/COMPONENT into OWNERS files.

We are adding COMPONENT/TEAM information into OWNERS file. Please help us to
verify the added TEAM/COMPONENT or suggest the correct TEAM/COMPONENT in your
OWNERS files. Thanks.

Proposal to add TEAM/COMPONENT information into OWNERS files
http://bit.ly/add-team-component-proposal
Proposal about how to get suggested component for directory.
http://bit.ly/directory-mapping-proposal
TEAM-COMPONENT mapping
http://bit.ly/component-team-mapping

Additional Information:
Component lists
https://bugs.chromium.org/p/chromium/adminComponents

BUG=679905

Review-Url: https://codereview.chromium.org/2689823002
Cr-Commit-Position: refs/heads/master@{#452220}

• build/android/pylib/OWNERS[diff]
• chrome/android/javatests/OWNERS[diff]
• content/browser/android/OWNERS[diff]
• content/renderer/scheduler/OWNERS[diff]
• headless/OWNERS[diff]
• third_party/WebKit/Source/platform/scheduler/child/OWNERS[diff]
• tools/cr/OWNERS[diff]
• tools/perf/OWNERS[diff]
• ui/gfx/android/OWNERS[diff]