Update language to comply with Android's inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

 
BUG=161896447

Change-Id: Iad0bd7ca8c0a804129e6b8759336a0a652a4f0b0
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 474313f..4548e91 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -674,8 +674,8 @@
 
 sp<NBLog::Writer> AudioFlinger::newWriter_l(size_t size, const char *name)
 {
-    // If there is no memory allocated for logs, return a dummy writer that does nothing.
-    // Similarly if we can't contact the media.log service, also return a dummy writer.
+    // If there is no memory allocated for logs, return a no-op writer that does nothing.
+    // Similarly if we can't contact the media.log service, also return a no-op writer.
     if (mLogMemoryDealer == 0 || sMediaLogService == 0) {
         return new NBLog::Writer();
     }
@@ -701,7 +701,7 @@
             }
         }
         // Even after garbage-collecting all old writers, there is still not enough memory,
-        // so return a dummy writer
+        // so return a no-op writer
         return new NBLog::Writer();
     }
 success: