qdutils: Conditionally mute pu control error log

If display.qservice dies all the pending binders
would timeout. Mute error logging from binder
wrapper and return the error value to client.

Change-Id: I91daea0e9068088104bc3c40d67f6c9553673832
CRs-fixed: 1086061
diff --git a/libqdutils/display_config.cpp b/libqdutils/display_config.cpp
index c1335b1..4880cdc 100644
--- a/libqdutils/display_config.cpp
+++ b/libqdutils/display_config.cpp
@@ -357,7 +357,7 @@
         inParcel.writeInt32(mode);
         err = binder->dispatch(IQService::CONTROL_PARTIAL_UPDATE, &inParcel, &outParcel);
         if(err != 0) {
-            ALOGE("%s() failed with err %d", __FUNCTION__, err);
+            ALOGE_IF(getBinder(), "%s() failed with err %d", __FUNCTION__, err);
         } else {
             return outParcel.readInt32();
         }