To support auto generate key depending keyboard element id, the
KeysCache class is introduced to hold whole keys and reuse.
Change-Id: Icb81b5f1c1b3aaa31968dcdb93aa0a856e737f78
This is the first step to support separate Keyboard for elementName.
This change is the second attempt of Icef66564.
Change-Id: I78ea6cb9ea3d965ff89e0ff5d896a6b11ba5c670
This change introduces KeyboardSet and SubKeyboard XML definitions to
represent a set of keyboard layouts.
Bug: 5002108
Bug: 5679585
Change-Id: Ib6c8d5936187381bb6725c9fe574e93871c01a86