Add support for H264 high-profile in injectable video encoder.

webrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java

Index: webrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java
diff --git a/webrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java b/webrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java
index d8ac182e3fca8abeff1e735a958b8e1b30a4f218..70295b7060ab74f61c7e2594b89cc596cf5924c3 100644
--- a/webrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java
+++ b/webrtc/sdk/android/api/org/webrtc/VideoCodecInfo.java
@@ -16,6 +16,19 @@ import java.util.Map;
  * Represent a video codec as encoded in SDP.
  */
 public class VideoCodecInfo {
+  // Keys for H264 VideoCodecInfo properties.
+  public static final String H264_FMTP_PROFILE_LEVEL_ID = "profile-level-id";
+  public static final String H264_FMTP_LEVEL_ASYMMETRY_ALLOWED = "level-asymmetry-allowed";
+  public static final String H264_FMTP_PACKETIZATION_MODE = "packetization-mode";
+
+  public static final String H264_PROFILE_CONSTRAINED_BASELINE = "4200";
+  public static final String H264_PROFILE_CONSTRAINED_HIGH = "640c";
+  public static final String H264_LEVEL_3_1 = "1f"; // 31 in hex.
+  public static final String H264_CONSTRAINED_HIGH_3_1 =
+      H264_PROFILE_CONSTRAINED_HIGH + H264_LEVEL_3_1;
+  public static final String H264_CONSTRAINED_BASELINE_3_1 =
+      H264_PROFILE_CONSTRAINED_BASELINE + H264_LEVEL_3_1;
+
   public final int payload;
   public final String name;
   public final Map<String, String> params;