SF: HWC2 C++ shim

Provides an object-based C++ interface to the HWC 2.0 HAL

Change-Id: Ie1a7bfd2f6faa548bc45da845a4f50f1915b5806
diff --git a/services/surfaceflinger/DisplayHardware/FloatRect.h b/services/surfaceflinger/DisplayHardware/FloatRect.h
index 3b75cc0..9ad1040 100644
--- a/services/surfaceflinger/DisplayHardware/FloatRect.h
+++ b/services/surfaceflinger/DisplayHardware/FloatRect.h
@@ -17,6 +17,7 @@
 #ifndef ANDROID_SF_FLOAT_RECT
 #define ANDROID_SF_FLOAT_RECT
 
+#include <ui/Rect.h>
 #include <utils/TypeHelpers.h>
 
 namespace android {