Merge "Add applied_backported_fixes to the system properties." into main am: 837d7f3d

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/3349008



Change-Id: I3104a260a09b7340366f2f630a583e2c11725fba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>