otter: Fix default notification/alarm sounds

Use default ringtone overridden in common_full_tablet_wifionly.mk

Change-Id: Id94305a56e9046e4847acaf6ddd1ec7dfce496ba
fix model text for Amazon and IMDB apps

Change-Id: I113cc5bbfb62fbdef8493889d65df5a32451c755
otter: zRAM: Read only 1 page at a time

Change-Id: Ie72fe99baf768653427a89afb53af36f1075f61d