Cache MoreKeysKeyboard instead of container view of it

This change also cleans up MoreKeysPanel related stuff.

Bug: 8047165
Change-Id: I4f2211e00c7d08469a7413568db039c1c597fb3c
7 files changed
tree: f2bd1aa3f07aefbc008034a4e0f3560117acef05
  1. dictionaries/
  2. java/
  3. native/
  4. tests/
  5. tools/
  6. Android.mk
  7. CleanSpec.mk