Implement fingerprint to reduce unnecessary document updates am: 33b65803ac am: e52334c465

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/AppSearch/+/17107043

Change-Id: Ia2c245e6ca5e28cab2be03fff2d1df08d5f8df57
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>