Use new UnsupportedAppUsage annotation.

Existing annotations in libcore/ and frameworks/ will deleted after the migration. This also means that any java library that compiles @UnsupportedAppUsage requires a direct dependency on "unsupportedappusage" java_library.

Bug: 145132366
Test: m && diff unsupportedappusage_index.csv
Change-Id: I6ab53570aca580fbee1fcc927871caa09780f58f
Merged-In: I6ab53570aca580fbee1fcc927871caa09780f58f