Merge "Add feature flag for Android automotive OS templates host" into sc-v2-dev am: 23039de6 am: 999f7cec

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16215805

Change-Id: Ia17d118b25c4d80a16a3d3a5e4845c16f7227b20