Enable ARM and THUMB AOT support, enable Android platform support (#182)

* Sync with internal/feature: enable arm aot and android platform

product-mini/platforms/android/build_jit.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+rm -fr build && mkdir build
+cd build
+cmake .. -DWAMR_BUILD_JIT=1
+make
+cd ..