Bug 997288 - Follow-up, Part 1: Replace "Switch to tab" button icon and label. r=lucasr
Bug 997288 - Follow-up, Part 2: Style ButtonToast. r=lucasr
Bug 1015974 - Follow-up: Only use animated Sync icon when a sync is active. r=rnewman

Android 4.4.2 makes using animation-list, start(), and stop(),
difficult.  This works around that issue by only using animation-list
when we actually want an animated icon.

--HG--
rename : mobile/android/base/resources/drawable/tabs_synced_animation.xml => mobile/android/base/resources/drawable/tabs_synced_animated.xml