Merge "Create sdk build target for AppSearch." into tm-dev am: 195902d88a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/AppSearch/+/17723147

Change-Id: Id1569f137edaf20303fb3fc24faa69013c0ef808
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>