Fix PG Showing Duplicate SMS

Clarify the SMS permission split for Read & Write from Send/Receive

Change-Id: I7383b44ed5ac97fd0f106f7ee2b1b7bc88f84f11
Merge "Fix PG Showing Duplicate SMS" into cm-11.0
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_packages_apps_Settings into cd-4.4