Remove unneccessary a2dpDeviceChanged variable

Change-Id: Icd01c11029c89f55244c1f2556fa8d136e5ea634
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index fa16298..64e935d 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -5552,8 +5552,6 @@
                                                        status_t& status)
 {
     bool reconfig = false;
-    bool a2dpDeviceChanged = false;
-
     status = NO_ERROR;
 
     AutoPark<FastMixer> park(mFastMixer);
@@ -5625,7 +5623,7 @@
         }
     }
 
-    return reconfig || a2dpDeviceChanged;
+    return reconfig;
 }
 
 
@@ -6086,8 +6084,6 @@
                                                               status_t& status)
 {
     bool reconfig = false;
-    bool a2dpDeviceChanged = false;
-
     status = NO_ERROR;
 
     AudioParameter param = AudioParameter(keyValuePair);
@@ -6122,7 +6118,7 @@
         }
     }
 
-    return reconfig || a2dpDeviceChanged;
+    return reconfig;
 }
 
 uint32_t AudioFlinger::DirectOutputThread::activeSleepTimeUs() const