Mute: Update logging

Prevent undetected unexpected muting.
Raise logging level to persist important messages longer.

Test: logcat
Bug: 326139945
Change-Id: I734800b29ca150ed4a85923197b15b768abf7ca2
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index bac1c71..e7b4fe7 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -2541,6 +2541,7 @@
         bool mm;
         if (OK == dev->getMasterMute(&mm)) {
             mMasterMute = mm;
+            ALOGI_IF(mMasterMute, "%s: applying mute from HAL %s", __func__, name);
         }
     }