Fix 6519765 Ghosting is seen when hiding the actionbar in fullscreen video playback mode

b:6519765

Ensure SYSTEM_UI_FLAG_LAYOUT_STABLE and SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN is set in all states
so ActionBarOverlayLayout can response to fitSystemWindows and onSystemVisibilityChange correctly.

Change-Id: I41a33c9e7d21243bde6fa64e6cd1b709e7b04203