Merge "Add avf-build-flags-java-gen gensrc rule" into main am: a4ce45f6cd

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/3237797

Change-Id: I414dfd49e4b55d2e5922ee82ddbcc1c2f4360b4d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>