audio: fix for log spamming from ALSA

b/6984795

- Use ALOGD instead of ALOGE for debugging logs
- Use ALOGE only for error messages

Change-Id: Ifad36acbe93d48f2bdce3e29c2b06654daf08821
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/alsa_sound/AudioStreamOutALSA.cpp b/alsa_sound/AudioStreamOutALSA.cpp
index e8dc808..bfc5263 100644
--- a/alsa_sound/AudioStreamOutALSA.cpp
+++ b/alsa_sound/AudioStreamOutALSA.cpp
@@ -209,7 +209,7 @@
         ALOGV("Starting playback on USB");
         if(!strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL) ||
            !strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP)) {
-            ALOGE("Setting VOIPCALL bit here, musbPlaybackState %d", mParent->musbPlaybackState);
+            ALOGD("Setting VOIPCALL bit here, musbPlaybackState %d", mParent->musbPlaybackState);
             mParent->musbPlaybackState |= USBPLAYBACKBIT_VOIPCALL;
         }else{
             ALOGV("enabling music, musbPlaybackState: %d ", mParent->musbPlaybackState);