Android: Removed deprecated FILL_PARENT reference

Since we now target 2.2+ we get access to MATCH_PARENT the field that replaced FILL_PARENT.
See: http://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html#MATCH_PARENT
Merge pull request #1321 from Unkn0wn0ne/patch-1

Android: Removed deprecated FILL_PARENT reference