Enable aarch64 support, add component test framework and test suite (#211)

and refine aot call indirect op

test-tools/component_test/suites/01-life-cycle/test-app/01_install.c

@@ -0,0 +1,16 @@
+/*
+* Copyright (C) 2019 Intel Corporation.  All rights reserved.
+* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+*/
+
+#include "wasm_app.h"
+
+void on_init()
+{
+    printf("Hello, I was installed.\n");
+}
+
+void on_destroy()
+{
+    /* real destroy work including killing timer and closing sensor is accomplished in wasm app library version of on_destroy() */
+}