Silence lint warning about constant in API 29

MediaFormat.MIMETYPE_VIDEO_AV1 has been added in API 29, but it is not
a problem to inline the constant in older versions.

server/src/main/java/com/genymobile/scrcpy/VideoCodec.java

@@ -1,10 +1,12 @@
 package com.genymobile.scrcpy;
 
+import android.annotation.SuppressLint;
 import android.media.MediaFormat;
 
 public enum VideoCodec {
     H264(0x68_32_36_34, "h264", MediaFormat.MIMETYPE_VIDEO_AVC),
     H265(0x68_32_36_35, "h265", MediaFormat.MIMETYPE_VIDEO_HEVC),
+    @SuppressLint("InlinedApi") // introduced in API 21
     AV1(0x00_61_76_31, "av1", MediaFormat.MIMETYPE_VIDEO_AV1);
 
     private final int id; // 4-byte ASCII representation of the name