Apply clang-format for more source files (#795)

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>

test-tools/component-test/framework/suite.py

@@ -0,0 +1,40 @@
+#
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+import os
+import json
+
+class CTestSuiteBase(object):
+    def __init__(self, name, suite_path, run_path):
+        self.suite_path=suite_path
+        self.run_path=run_path
+        self.m_name = name
+        self.settings = {}
+
+    def get_settings_item(self,  item):
+            if item in self.settings:
+                return self.settings[item]
+            else:
+                return None
+
+    def load_settings(self):
+        path = self.suite_path + "/settings.cfg"
+        if os.path.isfile(path):
+            try:
+                fp = open(path, 'r')
+                self.settings = json.load(fp)
+                fp.close()
+            except Exception, e:
+                return False, 'Load settings fail: ' + e.message
+            return True, 'OK'
+        else:
+            return True, 'No file'
+
+    def on_suite_setup(self):
+        return True, 'OK'
+
+    def on_suite_cleanup(self):
+        return True, 'OK'
+