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/zzxk.java

@@ -0,0 +1,21 @@
+package com.google.android.gms.internal.ads;
+
+import android.media.Spatializer;
+import android.media.Spatializer$OnSpatializerStateChangedListener;
+
+/* loaded from: classes3.dex */
+final class zzxk implements Spatializer$OnSpatializerStateChangedListener {
+    final /* synthetic */ zzxt zza;
+
+    public zzxk(zzxl zzxlVar, zzxt zzxtVar) {
+        this.zza = zzxtVar;
+    }
+
+    public final void onSpatializerAvailableChanged(Spatializer spatializer, boolean z) {
+        this.zza.zzu();
+    }
+
+    public final void onSpatializerEnabledChanged(Spatializer spatializer, boolean z) {
+        this.zza.zzu();
+    }
+}