Browser: google aapt derp

do not translate untranslateable strings like the
filename already says.

fixes aapt warning

Change-Id: Id44e1b47b7b736276ea991edad567303319619ed
browser: Privacy Guard support

 * Return empty lists for query of bookmarks and history when privacy
   guard is active for the calling process.

Change-Id: I6a20ad481ae60d1e062833db43d1c2fdfe43c687
Fixed delete function for bookmark folder

Currently only folder is deleted when one deletes bookmark folder.
Therefore, items inside in the folder are remained.
We have to delete items recursively inside the folder.

Change-Id: I17ad9656612448d8555a64ec887313db4f829174
NPE in bookmark grid when using mouse

When using a mouse and right clicking on an empty
element element in the bookmark grid an NPE ocurrs.

Patch fixes crash after click right button on the mouse
in bookmark screen, by adding null pointer check.

Change-Id: I07af747797411176e9fd9473eb2dbfe4404e58f5
Merge remote-tracking branch 'slim/jb4.2' into kang