am 3d20d999: Specify keyboard metrics with physical unit "inch" (DO NOT MERGE)

Merge commit '3d20d999025bbaab96b41d172225a39f7a1017b7' into gingerbread-plus-aosp

* commit '3d20d999025bbaab96b41d172225a39f7a1017b7':
  Specify keyboard metrics with physical unit "inch" (DO NOT MERGE)