hdr10+: adding C2 params for HDR10+

bug: 118507186
Change-Id: I6e7d9abd76c5974eb53e3797df321272946572bc
diff --git a/media/ndk/NdkMediaFormat.cpp b/media/ndk/NdkMediaFormat.cpp
index bf9725c..38cb65d 100644
--- a/media/ndk/NdkMediaFormat.cpp
+++ b/media/ndk/NdkMediaFormat.cpp
@@ -320,6 +320,7 @@
 EXPORT const char* AMEDIAFORMAT_KEY_GRID_COLUMNS = "grid-cols";
 EXPORT const char* AMEDIAFORMAT_KEY_GRID_ROWS = "grid-rows";
 EXPORT const char* AMEDIAFORMAT_KEY_HDR_STATIC_INFO = "hdr-static-info";
+EXPORT const char* AMEDIAFORMAT_KEY_HDR10_PLUS_INFO = "hdr10-plus-info";
 EXPORT const char* AMEDIAFORMAT_KEY_HEIGHT = "height";
 EXPORT const char* AMEDIAFORMAT_KEY_ICC_PROFILE = "icc-profile";
 EXPORT const char* AMEDIAFORMAT_KEY_INTRA_REFRESH_PERIOD = "intra-refresh-period";