Add support for VideoView.seekTo.
Merge pull request #865 from pivotal-odell/master

Add support for VideoView.seekTo.
Remove some shadows methods in Color.
Merge pull request #866 from metalhead8816/remove_color

Remove some shadows methods in Color.
Remove some more Colorish Shadows.
Remove a bunch of trivial Shadows in favor of AOSP.

None of these had interesting implementations and can be
satisfied by AOSP easily.
Remove PeriodicSyncShadow.
Merge pull request #869 from metalhead8816/remove_criteria

Remove a bunch of trivial Shadows in favor of AOSP.
Merge pull request #870 from metalhead8816/remove_periodic_sync

Remove PeriodicSyncShadow.
Merge pull request #868 from metalhead8816/color_matrix

Remove some more Colorish Shadows.
Add basic implementation of ShadowProcess