Trebuchet: Add a string for JA translation

Change-Id: Ifeac487af7797175863632412b9b82ad8c3acbdb
Trebuchet: Update dummy strings

Change-Id: I17123069ef8f45caf37edb02ddc94ec8e0f9216f
Fix Overview Panel glitch when animating Workspace into overview mode.

Change-Id: I12cd8e6e96cdebadfa42590152c4c16e644aded3
Trebuchet : Require for all users

Make sure trebuchet is enabled for all users
and not able to be disabled.

Change-Id: Ia5424d633f4d5e327b71400a83d1b1b753ccc7c1