Merge "Add `assets` property for Android apps." into main am: c82e8441 am:...

Merge "Add `assets` property for Android apps." into main am: c82e8441 am: ab202d1a am: e5d4f786

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2786252



Change-Id: Ib42a1b7fdde9bdd1b8f0ed17a0a35a706fcc7e9a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>