Add JavaToNativeVideoCodecInfo to native API.

This conversion function is useful for downstream native codecs
which want to take a VideoCodecInfo in the Java wrapper and use it
as a SdpVideoFormat in the C++ object.

Bug: webrtc:9495
Change-Id: Id2ece708eafd4be648fafff9e94aa13ace504bdf
Reviewed-on: https://webrtc-review.googlesource.com/87381
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23865}
diff --git a/sdk/android/native_api/codecs/wrapper.cc b/sdk/android/native_api/codecs/wrapper.cc
index 5448955..3c5fb3d 100644
--- a/sdk/android/native_api/codecs/wrapper.cc
+++ b/sdk/android/native_api/codecs/wrapper.cc
@@ -11,11 +11,18 @@
 #include "sdk/android/native_api/codecs/wrapper.h"
 
 #include "absl/memory/memory.h"
+#include "sdk/android/native_api/jni/scoped_java_ref.h"
+#include "sdk/android/src/jni/videocodecinfo.h"
 #include "sdk/android/src/jni/videodecoderfactorywrapper.h"
 #include "sdk/android/src/jni/videoencoderfactorywrapper.h"
 
 namespace webrtc {
 
+SdpVideoFormat JavaToNativeVideoCodecInfo(JNIEnv* jni, jobject codec_info) {
+  return jni::VideoCodecInfoToSdpVideoFormat(jni,
+                                             JavaParamRef<jobject>(codec_info));
+}
+
 std::unique_ptr<VideoDecoderFactory> JavaToNativeVideoDecoderFactory(
     JNIEnv* jni,
     jobject decoder_factory) {
@@ -25,9 +32,9 @@
 
 std::unique_ptr<VideoEncoderFactory> JavaToNativeVideoEncoderFactory(
     JNIEnv* jni,
-    jobject en) {
+    jobject encoder_factory) {
   return absl::make_unique<jni::VideoEncoderFactoryWrapper>(
-      jni, JavaParamRef<jobject>(en));
+      jni, JavaParamRef<jobject>(encoder_factory));
 }
 
 }  // namespace webrtc