Fix typos in ALOG for pid vs tid

Change-Id: I6dc70f137d0ff8a86427ab8882a81886e1de0782
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index 10efd85..af464b2 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -542,7 +542,7 @@
 }
 
 void AudioPolicyService::binderDied(const wp<IBinder>& who) {
-    ALOGW("binderDied() %p, tid %d, calling tid %d", who.unsafe_get(), gettid(),
+    ALOGW("binderDied() %p, tid %d, calling pid %d", who.unsafe_get(), gettid(),
             IPCThreadState::self()->getCallingPid());
 }