Update Browser useragent string to reflect WebKit merge at r62496
Update Browser useragent string to reflect WebKit merge at r62496

Change-Id: I502ae0d565ef9bd4bd3746685b2452da12ec61d6

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