Enable use of error prone annotations

This is required for ag/26422309

Bug: 327646201
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:8cf3a10c33866ece91f4d6b8b4fcfcb2f15ff554)
Merged-In: I57812da36aa7b1773c944971decb4afca671ba05
Change-Id: I57812da36aa7b1773c944971decb4afca671ba05
1 file changed