Merge "Build flag to API mapping files." into main am: 25783f370d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2837303

Change-Id: Ia789213ec9a56ae1b7ee18128c2caa8de4d48ff5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>