This change also removes the usage of "fillBoth" keyWidth from 7-inch tablet layouts. Bug: 6480505 Change-Id: I9ed58e0b49138fa9e1610c2b008798eedb19dd26
Bug: 6410889 Change-Id: If7269aa2aeb1b6af9f0286f96c48b68309d646c5
Bug: 4460018 Change-Id: I9a29f6a322af66f6a152fa1883b3686c5f7a3328