Merge "Track libcore change 547177ca5c312f84fb22e6e7bf12f54129034e5d" am: 4ee94a6a9b am: 104e268a14 am: b2d7fe1f22
am: 92151fec1d

Change-Id: I4bfe4e388a7276779240b7886fa3e46b78f1297e