Apply clang-format for C source files in folder core/app-mgr,
core/app-framework, and test-tools.
And rename folder component_test to component-test, update
zephyr build document.
Signed-off-by: Wenyong Huang <wenyong.huang@intel.com>
Remove wasm_export_api.h that may confuse
Implement wasm_runtime_validate_app_str_addr()
Fix bugs of loader and pass more spec cases
Signed-off-by: Weining Lu <weining.x.lu@intel.com>