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/zzpl.java

@@ -0,0 +1,15 @@
+package com.google.android.gms.internal.ads;
+
+/* loaded from: classes3.dex */
+public final class zzpl extends Exception {
+    public final int zza;
+    public final boolean zzb;
+    public final zzab zzc;
+
+    public zzpl(int i, zzab zzabVar, boolean z) {
+        super("AudioTrack write failed: " + i);
+        this.zzb = z;
+        this.zza = i;
+        this.zzc = zzabVar;
+    }
+}