Merge "Track libcore change 7d105d591c14afd00f894e8f3483adcbee6e901a" am: 751e3af81e am: 6b9cd13b05 am: cc1074f6f4
am: bc5fd99347

Change-Id: Ia67028ec5f41df5c4f2e357562e5ab7cc2166878