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/cloudmessaging/zzr.java

@@ -0,0 +1,24 @@
+package com.google.android.gms.cloudmessaging;
+
+import android.os.Bundle;
+
+/* loaded from: classes2.dex */
+final class zzr extends zzs {
+    public zzr(int i, int i2, Bundle bundle) {
+        super(i, i2, bundle);
+    }
+
+    @Override // com.google.android.gms.cloudmessaging.zzs
+    public final void zza(Bundle bundle) {
+        if (bundle.getBoolean("ack", false)) {
+            zzd(null);
+        } else {
+            zzc(new zzt(4, "Invalid response to one way request", null));
+        }
+    }
+
+    @Override // com.google.android.gms.cloudmessaging.zzs
+    public final boolean zzb() {
+        return true;
+    }
+}