hwc: change error logs to debug logs

There were error message that should just be debug messages.
These error logs can cause automation testing to fail.

Change-Id: I4ba681a737e8324da9ef8e7984efa57f70ee8637
diff --git a/libhwcomposer/hwc_copybit.cpp b/libhwcomposer/hwc_copybit.cpp
index ee06443..555301c 100644
--- a/libhwcomposer/hwc_copybit.cpp
+++ b/libhwcomposer/hwc_copybit.cpp
@@ -406,7 +406,7 @@
         dtdy < 1/copybitsMinScale){
         // The requested scale is out of the range the hardware
         // can support.
-       ALOGE("%s:%d::Need to scale twice dsdx=%f, dtdy=%f,copybitsMaxScale=%f,\
+       ALOGD("%s:%d::Need to scale twice dsdx=%f, dtdy=%f,copybitsMaxScale=%f,\
                                  copybitsMinScale=%f,screen_w=%d,screen_h=%d \
                   src_crop_width=%d src_crop_height=%d",__FUNCTION__,__LINE__,
               dsdx,dtdy,copybitsMaxScale,1/copybitsMinScale,screen_w,screen_h,
@@ -431,7 +431,7 @@
          tmp_w  = (tmp_w/2)*2;
          tmp_h = (tmp_h/2)*2;
        }
-       ALOGE("%s:%d::tmp_w = %d,tmp_h = %d",__FUNCTION__,__LINE__,tmp_w,tmp_h);
+       ALOGD("%s:%d::tmp_w = %d,tmp_h = %d",__FUNCTION__,__LINE__,tmp_w,tmp_h);
 
        int usage = GRALLOC_USAGE_PRIVATE_IOMMU_HEAP;
        int format = fbHandle->format;