overlay: add translucent lockscreen decor

Change-Id: Ibedacc41ba7612c32a65db75cfb245dbcb937457
UMS: default to mtp mode, mass storage is becoming depreciated.

Change-Id: Ia2731196bf38bc122dce5dbccf75e7962b39e8ae
fix struggling data connection.

We don't use QualcommRILclass anymore

Change-Id: I75b586ea6a0664f52af99a6c739627c75d7cb36e