Greg Spencer 293cfcaa54
Guard against using Android API not defined in API level 16 & 17 (#8006)
This adds a guard around the call to MotionEvent.isFromSource, which is not implemented in API 16 and 17.

Fixes flutter/flutter#28640
2019-03-01 14:53:22 -08:00
..
2018-11-07 12:24:35 -08:00