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/zzas.java

@@ -0,0 +1,25 @@
+package com.google.android.gms.internal.ads;
+
+import java.util.HashSet;
+
+/* loaded from: classes3.dex */
+public final class zzas {
+    private static final HashSet zza = new HashSet();
+    private static String zzb = "media3.common";
+
+    public static synchronized String zza() {
+        String str;
+        synchronized (zzas.class) {
+            str = zzb;
+        }
+        return str;
+    }
+
+    public static synchronized void zzb(String str) {
+        synchronized (zzas.class) {
+            if (zza.add(str)) {
+                zzb = zzb + ", " + str;
+            }
+        }
+    }
+}