msm8974: Clean up prebuilts

 * Add correct files for Widevine L3
 * Disable PPPreference, it can't be used with partial update
 * Remove secure display, we don't support it
 * Purge deprecated board flags

Change-Id: I42f016ac52db47777a3feeb4aa5e7170877bd93e
msm8974: Build ANT+ support

Change-Id: I32303d265a7a08c9068f93c8dfc6d324d9c957f9
msm8974-common: Add missing ANT+ library

* Add ANT+ permission and framework library.

Change-Id: Ia2efcc04864be8cfe408509f653bba4498e2d30b
msm8974: Switch to TimeService blobs

Change-Id: I0555ad6d36d90b2f849dad0a2c5b89832a97d714
msm8974: Add the ADSP loader bits

Change-Id: I63508325d95b6ad6d83e7cfa0ef6834928248e45
audio: Update audio topologies

Change-Id: I377149d0c554b69f25be0d5df653e2f1554af9bc