Add Discord community version (64-bit only)

- Added realracing3-community.apk (71.57 MB)
- Removed 32-bit support (armeabi-v7a)
- Only includes arm64-v8a libraries
- Decompiled source code included
- Added README-community.md with analysis

decompiled-community/sources/com/google/android/gms/internal/ads/zzrw.java

@@ -0,0 +1,15 @@
+package com.google.android.gms.internal.ads;
+
+import android.media.LoudnessCodecController;
+import android.media.MediaCodec;
+import android.os.Bundle;
+
+/* loaded from: classes3.dex */
+final class zzrw implements LoudnessCodecController.OnLoudnessCodecUpdateListener {
+    public zzrw(zzrz zzrzVar) {
+    }
+
+    public final Bundle onLoudnessCodecUpdate(MediaCodec mediaCodec, Bundle bundle) {
+        return bundle;
+    }
+}