pyramid: Add custom audio policy configuration

Removed AUDIO_OUTPUT_FLAG_VOIP_RX
Revert "pyramid: Start using HTCQualcommRIL class"

Seems like it breaks mobile internet
This reverts commit 857e15237784c33c677debb27b9b5aca7c4904bb.
Merge https://github.com/ivanich/android_device_htc_pyramid into omni-5.0

Conflicts:
	device_pyramid.mk