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/suites/01-life-cycle/test-app/build.sh

@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+. ../../../set_dev_env.sh
+
+CC=/opt/wasi-sdk/bin/clang
+APP_DIR=$PWD
+WAMR_DIR=${APP_DIR}/../../../../../
+SDK_DIR=${WAMR_DIR}/wamr-sdk/out/simple-host-interp
+APP_FRAMEWORK_DIR=${SDK_DIR}/app-sdk/wamr-app-framework
+DEPS_DIR=${WAMR_DIR}/core/deps
+
+for i in `ls *.c`
+do
+APP_SRC="$i"
+OUT_FILE=${i%.*}.wasm
+/opt/wasi-sdk/bin/clang -O3 \
+                        -Wno-int-conversion \
+                        -I${APP_FRAMEWORK_DIR}/include \
+                        -I${DEPS_DIR} \
+                        -O3 -z stack-size=4096 -Wl,--initial-memory=65536 \
+                        --sysroot=${SDK_DIR}/app-sdk/libc-builtin-sysroot \
+                        -L${APP_FRAMEWORK_DIR}/lib -lapp_framework \
+                        -Wl,--allow-undefined-file=${SDK_DIR}/app-sdk/libc-builtin-sysroot/share/defined-symbols.txt \
+                        -Wl,--strip-all,--no-entry -nostdlib \
+                        -Wl,--export=on_init -Wl,--export=on_destroy \
+                        -Wl,--export=on_request -Wl,--export=on_response \
+                        -Wl,--export=on_sensor_event -Wl,--export=on_timer_callback \
+                        -Wl,--export=on_connection_data \
+                        -o ${OUT_FILE} \
+                        ${APP_SRC}
+if [ -f ${OUT_FILE} ]; then
+        echo "build ${OUT_FILE} success"
+else
+        echo "build ${OUT_FILE} fail"
+fi
+done