composer: Restrict window rect to primary display.

CRs-Fixed: 2367132
Change-Id: I514d28cff7b3296959d2152ed91a8e5b6588751f
diff --git a/composer/hwc_display_builtin.cpp b/composer/hwc_display_builtin.cpp
index bdeb4de..eaee590 100644
--- a/composer/hwc_display_builtin.cpp
+++ b/composer/hwc_display_builtin.cpp
@@ -142,6 +142,12 @@
 
   is_primary_ = display_intf_->IsPrimaryDisplay();
 
+  if (is_primary_) {
+    Debug::GetWindowRect(&window_rect_.left, &window_rect_.top,
+                                 &window_rect_.right, &window_rect_.bottom);
+    DLOGI("Window rect : [%f %f %f %f]", window_rect_.left, window_rect_.top,
+           window_rect_.right, window_rect_.bottom);
+  }
   return status;
 }