fix part of [Issue 3114236] [Crespo] The order of FLIP_H and ROT_90 is different from other devices

there are a typo in hardware.h where FLIP_V and FLIP_H were inverted.
this change will probably break all the overlay HALs which
implement FLIP_V/H, which thanksfully are not many.

Change-Id: Ie824d9a924354d637e44eb6476cb4e5e945c3594
diff --git a/include/hardware/overlay.h b/include/hardware/overlay.h
index 42fb014..c56a974 100644
--- a/include/hardware/overlay.h
+++ b/include/hardware/overlay.h
@@ -54,9 +54,9 @@
 /* values for copybit_set_parameter(OVERLAY_TRANSFORM) */
 enum {
     /* flip source image horizontally */
-    OVERLAY_TRANSFORM_FLIP_H    = HAL_TRANSFORM_FLIP_V,
+    OVERLAY_TRANSFORM_FLIP_H    = HAL_TRANSFORM_FLIP_H,
     /* flip source image vertically */
-    OVERLAY_TRANSFORM_FLIP_V    = HAL_TRANSFORM_FLIP_H,
+    OVERLAY_TRANSFORM_FLIP_V    = HAL_TRANSFORM_FLIP_V,
     /* rotate source image 90 degrees */
     OVERLAY_TRANSFORM_ROT_90    = HAL_TRANSFORM_ROT_90,
     /* rotate source image 180 degrees */