Merge "Allow unknown codenames in target sdk version for APK-in-apexes" into tm-dev am: e748d40d2b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17238066

Change-Id: I13875a3e5aac9a929e3021c1a2c9c2bd5c2a60bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>