Merge "libutils: LightRefBase: incStrongRequireStrong" am: 1c65d40154 am: b31a05bb47 am: 77b47c4185

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1696268

Change-Id: Ia753aaf062e8d58c60ca1113922165a2946a9a07