Allow touch if some pointers are MT_TOOL_PALM am: 6560004049 am: 182306f5cb am: 7d42047036

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1455628

Change-Id: Iba67e74a4a0ab8e481aff02ffb328e0aaff9ffa9