Gallery2: Fix show on map typo

Change-Id: I80cc825d3adf17fde9d245a71a4756f35bcd232f
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
VideoModule: check for videosnapshot support in onSingleTapUp

onSingleTapUp is now triggered through PreviewGestures instead of
ActivityBase, so the check in initializeVideoSnapshot() is no
longer enough to prevent triggering video snapshot on unsupported
devices.

Change-Id: I5f6e14f1125a9d47e03bb35fdc4ff358c589b73e
Merge branch 'cm-10.2' of https://github.com/CyanogenMod/android_packages_apps_Gallery2 into DJL10.2