Log as info instead of logging with error when EPIPE

Bug: 268126973
Test: build pass
Change-Id: I4d392359d2f784ba9febb06c7d0612c5dc397677
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordAudioStreamCopier.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordAudioStreamCopier.java
index 2413072..65c95d1 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordAudioStreamCopier.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordAudioStreamCopier.java
@@ -339,7 +339,11 @@
             } catch (IOException e) {
                 mAudioSource.closeWithError(e.getMessage());
                 mAudioSink.closeWithError(e.getMessage());
-                Slog.e(TAG, mStreamTaskId + ": Failed to copy audio stream", e);
+                // This is expected when VIS closes the read side of the pipe on their end,
+                // so when the HotwordAudioStreamCopier tries to write, we will get that broken
+                // pipe error. HDS is also closing the write side of the pipe (the system is on the
+                // read end of that pipe).
+                Slog.i(TAG, mStreamTaskId + ": Failed to copy audio stream", e);
                 HotwordMetricsLogger.writeAudioEgressEvent(mDetectorType,
                         HOTWORD_AUDIO_EGRESS_EVENT_REPORTED__EVENT__CLOSE_ERROR_FROM_SYSTEM,
                         mUid, /* streamSizeBytes= */ 0, /* bundleSizeBytes= */ 0,