Gallery: Modify some layout according to UX.

1. change MovieActivity Theme.
2. change toolbar's theme.
3. modify Straighten editor layout.
4. modify click effect of "Video Snapshot" and "Editor Comparison".
5. modify layout of trim video's timebar.
6. change video gesture's max to 1min.
7. fix the selected picture is not selected after onPause() in AlbumPage.

Change-Id: Ief77f0efa3c9c1134eb3032992c797218a46db46
CRs-Fixed: 1032085