Merge changes from topics "product_runtime_apis", "product_var_hidden_api"...

Merge changes from topics "product_runtime_apis", "product_var_hidden_api" into main am: 0a8fd140 am: 8b7801fd

Original change: https://android-review.googlesource.com/c/platform/build/+/2974393



Change-Id: Ifcc3efc93bec37620d7581014a8d9075c8fa81a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>