Add short audio descriptor and encapsulation type in AudioProfile.

Short audio descriptor is defined in HDMI specification 1.4b section 7
that is used to describe the audio capabilities over HDMI.

The encapsulation types represent the encapsulation formats that must be
used when sending the audio data with the format associated with the
AudioProfile to Android.

Bug: 131736540
Bug: 178619392
Test: atest AudioManagerTest
Change-Id: Icc1d02bd1239561f7f3740bf7bd9ecf17fc1420b