fix android mediacodec encoding align (#8121)

* update ffmpeg, mediacodec encode align 64
* more d3d11 decode availablity check
* remove unused mediacodec info

Signed-off-by: 21pages <sunboeasy@gmail.com>

libs/scrap/src/android/ffi.rs

@@ -178,8 +178,8 @@ pub struct MediaCodecInfo {
 #[derive(Debug, Deserialize, Clone)]
 pub struct MediaCodecInfos {
     pub version: usize,
-    pub w: usize,
-    pub h: usize,
+    pub w: usize, // aligned
+    pub h: usize, // aligned
     pub codecs: Vec<MediaCodecInfo>,
 }