Android: Remove unmanaged code

src/ARMeilleure/Translation/EmitterContext.cs

@@ -97,7 +97,14 @@ namespace ARMeilleure.Translation
 
         public virtual Operand Call(MethodInfo info, params Operand[] callArgs)
         {
+#if ANDROID
+            // For Android, use the Delegates class to get the function pointer
+            int index = Delegates.GetDelegateIndex(info);
+            IntPtr funcPtr = Delegates.GetDelegateFuncPtrByIndex(index);
+#else
+            // For other platforms, use direct method handle approach
             IntPtr funcPtr = info.MethodHandle.GetFunctionPointer();
+#endif
 
             OperandType returnType = GetOperandType(info.ReturnType);