DO NOT MERGE

Squelch a particular log message about assigning a z-layer to the fb:

"**** should have assigned z-layer for fb"

Should find the real reason behind it, but for now it's filling up
the system logs.

Change-Id: Ied57563c706fcc358663e99b9186a8c9c13a2da5
diff --git a/hwc/hwc.c b/hwc/hwc.c
index cbb0d9b..26d38b1 100644
--- a/hwc/hwc.c
+++ b/hwc/hwc.c
@@ -1391,7 +1391,7 @@
         /* assign a z-layer for fb */
         if (fb_z < 0) {
             if (num.composited_layers)
-                LOGE("**** should have assigned z-layer for fb");
+                LOGV("**** should have assigned z-layer for fb");
             fb_z = z++;
         }