Revert "Revert "Errorprone: Make CheckReturnValue fatal""

This reverts commit b128d895146352cce0e9e0347f2d4d6471c1d824.

(cherry picked from commit 352b5f131e3957dcae834b155edba5ab7fed1382)

Bug: 73513670
Test: m javac-check RUN_ERROR_PRONE=true
Merged-In: Iec0248fa045ef1c794dc1ff9deaecf5a9af50c3f
Change-Id: Iec0248fa045ef1c794dc1ff9deaecf5a9af50c3f
1 file changed