[automerger skipped] For darwin, add lib64/libc++abi.1.dylib. am: 6f16baeea9 am: 6a35354abd -s ours am: 25954b3b8f -s ours

am skip reason: Change-Id Ifd5b2db7b18a29c1b58b408118951792733649b7 with SHA-1 f879b7a53c is in history

Change-Id: I44810cb13645d158fcf29685262e47b5a4150fc2