Add documentation to onTouchEvent for accessibility
Add documentation to onTouchEvent for accessibility

BUG: 10429918
Change-Id: I2e2826601ba1560186e19f15928de41674a72505

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