msm8974: Update audio properties

Change-Id: Ic758358ee4c75e835a594318ee180a04ff43e5e9
msm8974: Add media codec capabilities

 * Upstream change.

Change-Id: Iee2057acdbaea851d67300a468785c661f879c90
msm8974: Add paths for DRM storage

 * Required for Widevine.

Change-Id: I6bc7b1e4eba77a2e294fde95f6513d8421c1617f
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