Add documentation for being a Android RoboCop.

NOTRY=true
DOCS_PREVIEW= https://skia.org/?cl=5759

Change-Id: I6172c9edfcac63855b3f7c2b120bac44760a24a5
Reviewed-on: https://skia-review.googlesource.com/5759
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Derek Sollenberger <djsollen@google.com>
1 file changed