Audio V4: Add MSD formats and Device

Add MAT 1.0, 2.0, 2.1 audio formats
Add 5.1.2, 5.1.4, 7.1.2, 7.1.4 output channel masks
Add E_AC3_JOC audio format
Add MSD Device to allow an MSD HAL implementation separated from the
primary.

Bug: 38184704
Test: none
Change-Id: I2f488462614114e4c82149460b030585981ae15e
Original author:
Signed-off-by: Dean Wheatley <dwhea@dolby.com>
Ported to HAL 4.0:
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/audio/4.0/IDevicesFactory.hal b/audio/4.0/IDevicesFactory.hal
index 0e45bc7..b884c6b 100644
--- a/audio/4.0/IDevicesFactory.hal
+++ b/audio/4.0/IDevicesFactory.hal
@@ -41,7 +41,9 @@
         STUB,
         CODEC_OFFLOAD,
         SECONDARY,
-        AUXILIARY
+        AUXILIARY,
+        /** Multi Stream Decoder */
+        MSD
     };
 
     /**