Bug 1048098: remove redundant flushPermissions, flushPrefEnv from tearing down procedure. r=btian, r=echen
Bug 916607 - 1/4: Convert MozSmsSegmentInfo to WebIDL dictionary. Interface changes.
Bug 916607 - 2/4: implementation.
Bug 916607 - 3/4: android backend.
Bug 916607 - 4/4: fix test cases.