[automerger skipped] Add build-flag-declarations tool am: 705536a1 -s ours

am skip reason: Merged-In I155c26b1442347c4d433c9cbf22b94d944636702 with SHA-1 fa4ba22a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/27562185



Change-Id: I80c30426fd7c6d4ddc8b126aa2048b1fd56da7fa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>