[FP5-950][Monkey][Crash] com.android.wallpaper

* Root Cause
  The context of the dialog cannot be passed in to getAppContext(), it depends on the activity
* Solution
  Modify getAppContext() to the context of the activity
* Test Steps
  1.Do monkey test for 1500 mins

Change-Id: I35729410c57b577276bb3286fd2a640d0fa0b89a
1 file changed