Android: Remove unused components strings

Only removes strings unused by android from being included in the apk.

Now that components strings is linted, no more unused strings will be
added as future CL owners will be responsible for removing the string
from android if they remove the last usage in android code.

Bug: 731159
Change-Id: Idd3cef1d13f48fa047b00a5abc5c5c965921dd63
Reviewed-on: https://chromium-review.googlesource.com/628958
Commit-Queue: Peter Wen <[email protected]>
Reviewed-by: Sylvain Defresne <[email protected]>
Cr-Commit-Position: refs/heads/master@{#497139}
4 files changed