Encode header version in api versions

Change-Id: I0216bef3ba0cfaed2fe908f735e546d0734c0b13
diff --git a/include/hardware/hwcomposer_defs.h b/include/hardware/hwcomposer_defs.h
index f0f97fc..bd9f41c 100644
--- a/include/hardware/hwcomposer_defs.h
+++ b/include/hardware/hwcomposer_defs.h
@@ -28,13 +28,16 @@
 
 /*****************************************************************************/
 
-#define HWC_MODULE_API_VERSION_0_1  HARDWARE_MODULE_API_VERSION(0, 1)
+#define HWC_HEADER_VERSION          1
 
-#define HWC_DEVICE_API_VERSION_0_1  HARDWARE_DEVICE_API_VERSION(0, 1)
-#define HWC_DEVICE_API_VERSION_0_2  HARDWARE_DEVICE_API_VERSION(0, 2)
-#define HWC_DEVICE_API_VERSION_0_3  HARDWARE_DEVICE_API_VERSION(0, 3)
-#define HWC_DEVICE_API_VERSION_1_0  HARDWARE_DEVICE_API_VERSION(1, 0)
-#define HWC_DEVICE_API_VERSION_1_1  HARDWARE_DEVICE_API_VERSION(1, 1)
+#define HWC_MODULE_API_VERSION_0_1  HARDWARE_MODULE_API_VERSION_2(0, 1, HWC_HEADER_VERSION)
+
+#define HWC_DEVICE_API_VERSION_0_1  HARDWARE_DEVICE_API_VERSION_2(0, 1, HWC_HEADER_VERSION)
+#define HWC_DEVICE_API_VERSION_0_2  HARDWARE_DEVICE_API_VERSION_2(0, 2, HWC_HEADER_VERSION)
+#define HWC_DEVICE_API_VERSION_0_3  HARDWARE_DEVICE_API_VERSION_2(0, 3, HWC_HEADER_VERSION)
+#define HWC_DEVICE_API_VERSION_1_0  HARDWARE_DEVICE_API_VERSION_2(1, 0, HWC_HEADER_VERSION)
+#define HWC_DEVICE_API_VERSION_1_1  HARDWARE_DEVICE_API_VERSION_2(1, 1, HWC_HEADER_VERSION)
+#define HWC_DEVICE_API_VERSION_1_2  HARDWARE_DEVICE_API_VERSION_2(1, 2, HWC_HEADER_VERSION)
 
 enum {
     /* hwc_composer_device_t::set failed in EGL */