Use const const strings for arrays and pointers to strings

Change-Id: I0a073e17ebf6ad59e7edbedac104c6fa4bcaf9c9
diff --git a/services/audioflinger/AudioPolicyService.h b/services/audioflinger/AudioPolicyService.h
index 0715790..cb8c33f 100644
--- a/services/audioflinger/AudioPolicyService.h
+++ b/services/audioflinger/AudioPolicyService.h
@@ -254,7 +254,7 @@
         Vector< sp<AudioEffect> >mEffects;
     };
 
-    static const char *kInputSourceNames[AUDIO_SOURCE_CNT -1];
+    static const char * const kInputSourceNames[AUDIO_SOURCE_CNT -1];
 
     void setPreProcessorEnabled(InputDesc *inputDesc, bool enabled);
     status_t loadPreProcessorConfig(const char *path);