Track libcore API update.
Track libcore API update.

Bug: 3484927
Change-Id: I04de17b1191295e3fa874c9e351ae686d9eecef5

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base