Merge "Initial STS sdk" into sc-dev am: e0438b6f1b am: 214aa1d785 am: a0b3f427ca

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/19776213

Change-Id: I88e5ca838d57a6fcca66ee88a3ac3e26a6cd4ae2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>