Change-Id: I475c2fa7604f91659100510079fa13c7615177e9

-use AOSP copyright instead of Google
-add NOTICE and tag file

Bug: 2548782
Change-Id: If50b2e9e9cc4b4876b0d047fc9f34e2d537a6da4

Move java code to a different directory so that the unbundled
version doesn't try to compile the native code again.

Change-Id: I05cf9e643824ddc448821f69805ccb0240c5b986

Shows the language on the spacebar and in the preview bubble. Allows
dragging of the spacebar from side to side to switch to previous or
next languages.