hal: specify period multiplier for telephoy_rx device

This fixes issue that there's no sound for voice call for non-tunnel
mode.

Bug: 35723341

Change-Id: Iab6ccd689bfdb8411d2d484cf930f60989140471
Signed-off-by: David Lin <dtwlin@google.com>
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index badc889..cf266dc 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -3818,6 +3818,7 @@
 
         in->usecase = USECASE_AUDIO_RECORD_AFE_PROXY;
         in->config = pcm_config_afe_proxy_record;
+        in->af_period_multiplier = 1;
     } else {
         in->usecase = USECASE_AUDIO_RECORD;
         if (config->sample_rate == LOW_LATENCY_CAPTURE_SAMPLE_RATE &&