Merge "Convert flatland to Android.bp" into main am: 43c5b587 am: 75ea449e

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2910682



Change-Id: Ibf1c438aeff7228d146f8a7e3d7f94fbef1701b0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>