Remove signalstrength option to fix 4G signal bar

Change-Id: If3e6d87ab63104d8bd338379aa43e645b5f51cbd
device-proprietary-files: Move ril blobs from qcom-common

Change-Id: Iab139aab398dee06ef3ff67580bbb2f652864036
Fix copy of media profiles

After the commit "XT907 uses its own media profiles", the file media_profiles.xml was no longer being copied.

Change-Id: I99b69a4aacc8ee86bd6565988ff202b0f5c1a170