libion: Add clang-format upload hook am: bf79e963ca am: 162b6541cd am: 94e7294227 am: 96b41ef279 am: be9beb1f27

Original change: https://android-review.googlesource.com/c/platform/system/memory/libion/+/2154433

Change-Id: I8357994df5999c887b3c346bacfa2afc120aae8f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>