Add Jetbrain's annotation dependency to Room.
Add Jetbrain's annotation dependency to Room.

This makes it so that the genareted POM for room-compiler contains the
Jetbrain's nullable annotations that Room understands. Non-standard
projects outside of Studio and Gradle usually don't have these
annotations.

Bug: 144726918
Test: ./gradlew bOS
Change-Id: I81adc2dce8092f9bd9e4dc78e84b1deca91ac111

androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx