add OMX_VIDEO_AVCLevel52 constant

Bug: 17676461
Change-Id: I120041e9b2ffe2a232a2419bcb5fe88cb49961cb
diff --git a/include/media/openmax/OMX_Video.h b/include/media/openmax/OMX_Video.h
index 21dc5a6..89425e0 100644
--- a/include/media/openmax/OMX_Video.h
+++ b/include/media/openmax/OMX_Video.h
@@ -818,6 +818,7 @@
     OMX_VIDEO_AVCLevel42  = 0x2000,   /**< Level 4.2 */
     OMX_VIDEO_AVCLevel5   = 0x4000,   /**< Level 5 */
     OMX_VIDEO_AVCLevel51  = 0x8000,   /**< Level 5.1 */
+    OMX_VIDEO_AVCLevel52  = 0x10000,  /**< Level 5.2 */
     OMX_VIDEO_AVCLevelKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 
     OMX_VIDEO_AVCLevelVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
     OMX_VIDEO_AVCLevelMax = 0x7FFFFFFF