SnapdragonCamera: Multiple fixes in SettingManager

- Setting manager instance was not destroyed when camera activity
onDestroy is called and a new instance is created again when
onCreate is called. Make change to destroy the setting manager
during onDestroy.

- Include high resolution picture sizes to the picture size
list

Change-Id: Id6cb52da1419f7e723304236b5d2c204d217398c
CRs-Fixed: 1025845, 1025789
2 files changed