Fix positioned text bounds
Fix positioned text bounds

drawPosText() bounds weren't taking their offset into account properly
in absolute-positioned cases.

R=djsollen@google.com
BUG=skia:3673

Change-Id: Ic39fd45491231ed3e3949ffbc1f063a4fc12c3f8

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