Scope animations-related workaround inside .animations

Change-Id: Iaadb457e2af4505257caad784072dfffb5e8581b
Disable animations on Android 2.x

They cause weird bugs in textareas (random scrolling, cursor jumping).

Change-Id: I6c559b4bf3e4e9079dd77d4a0bba62bcb256bde3
Merge changes I6c559b4b,Iaadb457e

* changes:
  Disable animations on Android 2.x
  Scope animations-related workaround inside .animations