hardware/msm7k: Remove ioctl call from getOrientation

- The ioctl call from getOrientation is removed.
- In gralloc use getOrientation instead of storing the
  orientation.

Change-Id: Idb08568ff5d46ce99e0a9a8c6f492b90bb666f0c

framebuffer.cpp

@@ -315,10 +315,11 @@ static void *hdmi_ui_loop(void *ptr)
                             break;
                         }
                     }
-                    if(rot != m->currentOrientation) {
+                    int currOrientation = 0;
+                    pTemp->getOrientation(currOrientation);
+                    if(rot != currOrientation) {
                         pTemp->setParameter(OVERLAY_TRANSFORM,
                                               rot);
-                        m->currentOrientation = rot;
                     }
                     EVEN_OUT(asX);
                     EVEN_OUT(asY);

gralloc_priv.h

@@ -228,7 +228,6 @@ struct private_module_t {
     bool exitHDMIUILoop;
     float actionsafeWidthRatio;
     float actionsafeHeightRatio;
-    int currentOrientation;
     bool hdmiStateChanged;
     pthread_mutex_t overlayLock;
     pthread_cond_t overlayPost;