msm8974: Resurrect Widevine

 * About damn time already.

Change-Id: I9a64a3279d3a1f4b9e10fca01daf31508739d387
msm8974: Install missing dhcpcd.conf

Change-Id: Ibeda28e41df5a7773baef10d0a0193e37eead7c4
msm8974: Allow mediaserver to check sound card status via audiod

Change-Id: I236c535c1f6c3ee10a656bd053cfc2ddf389da92
Merge remote-tracking branch 'cm/cm-12.0' into sm-5.0