AEC: convert aec to use sink/src interface

This commit changes AEC to use sink/src interface
and makes it to be a DP module

it also use 32bit api of google's AEC

Signed-off-by: Marcin Szkudlinski <marcin.szkudlinski@intel.com>

Author: marcinszkudlinski

src/audio/google/Kconfig

@@ -36,7 +36,7 @@ config COMP_GOOGLE_RTC_AUDIO_PROCESSING_SAMPLE_RATE_HZ
 config COMP_GOOGLE_RTC_AUDIO_PROCESSING_NUM_CHANNELS
 	depends on COMP_GOOGLE_RTC_AUDIO_PROCESSING
 	int "Number of channels to process for Google Real Time Communication Audio processing"
-	default 1
+	default 4
 	help
 	  Sets the number of channels to process in the Google real-time
 	  communication audio processing.