hal: Add support for 24 bit through deep buffer

Enable support for 24 bit through deep buffer
path. Remove hardcoding of 16 bit and honor
the format and sample rate set by flinger.
24 bit support includes support for 8_24 and
24 bit packed pcm format.

Change-Id: I2cbc2005b188c3bc21b4e7a7275e9ee21c7b820d