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/mbridge/msdk/playercommon/exoplayer2/decoder/Buffer.java

@@ -0,0 +1,38 @@
+package com.mbridge.msdk.playercommon.exoplayer2.decoder;
+
+/* loaded from: classes4.dex */
+public abstract class Buffer {
+    private int flags;
+
+    public final void addFlag(int i) {
+        this.flags = i | this.flags;
+    }
+
+    public void clear() {
+        this.flags = 0;
+    }
+
+    public final void clearFlag(int i) {
+        this.flags = (~i) & this.flags;
+    }
+
+    public final boolean getFlag(int i) {
+        return (this.flags & i) == i;
+    }
+
+    public final void setFlags(int i) {
+        this.flags = i;
+    }
+
+    public final boolean isDecodeOnly() {
+        return getFlag(Integer.MIN_VALUE);
+    }
+
+    public final boolean isEndOfStream() {
+        return getFlag(4);
+    }
+
+    public final boolean isKeyFrame() {
+        return getFlag(1);
+    }
+}