MMS: support content-disposition field

Change-Id: Ic86d44b77852b8320b81e6c013f42aa6b5de25b2
Overlay: remove screen wake on usb plug

This is now a configurable option in Settings, so inherit default value and
let users choose.

Change-Id: Ief5c61ad7582d53a27f52f48246d96167a7ddfd0
RIL: Use new HTCCDMAQualcommRIL class

Change-Id: I5eb6382a846ead8226fe7efc85837e1b6c6939c1