Errorprone: Make CollectionIncompatibleType fatal

Switch CollectionIncompatibleType to error.

(cherry picked from commit f6285761e74bfeeb0c6171d6e52019bd16dd0ada)

Bug: 73288226
Test: m javac-check RUN_ERROR_PRONE=true
Merged-In: Ibc3a77385f81583b9aa6d456a181de9bc8d6cc5a
Change-Id: Ibc3a77385f81583b9aa6d456a181de9bc8d6cc5a
1 file changed