frameworks: sort extcon files to fixes hdmi audio output

Signed-off-by: hmz007 <hmz007@gmail.com>

frameworks/base/services/core/java/com/android/server/ExtconUEventObserver.java

@@ -24,6 +24,7 @@ import android.util.Slog;
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -98,6 +99,7 @@ public abstract class ExtconUEventObserver extends UEventObserver {
             Pattern p = regex == null ? null : Pattern.compile(regex);
             File file = new File("/sys/class/extcon");
             File[] files = file.listFiles();
+            Arrays.sort(files);
             if (files == null) {
                 Slog.wtf(TAG, file + " exists " + file.exists() + " isDir " + file.isDirectory()
                         + " but listFiles returns null. "