[nxp][examples][k32w1] Multiple ble connections changes

 * lock-app:
   * Add extra gatt headers to include demo gatt service
   * Add build changes
   * Update readme
 * other apps:
   * Add BLEApplicationManagerEmpty

Signed-off-by: Andrei Menzopol <andrei.menzopol@nxp.com>

Author: andrei-menzopol

examples/contact-sensor-app/nxp/k32w1/BUILD.gn

@@ -139,6 +139,7 @@ mcxw71_k32w1_executable("contact_sensor_app") {
     "${common_example_dir}/low_power/include",
     "${common_example_dir}/operational_keystore/include",
     "${common_example_dir}/ui_feedback/include",
+    "${common_example_dir}/app_ble/include",
   ]
 
   sources += [
@@ -148,6 +149,7 @@ mcxw71_k32w1_executable("contact_sensor_app") {
     "${common_example_dir}/device_callbacks/source/CommonDeviceCallbacks.cpp",
     "${common_example_dir}/device_manager/source/CHIPDeviceManager.cpp",
     "${common_example_dir}/operational_keystore/source/OperationalKeystoreS200.cpp",
+    "${common_example_dir}/app_ble/source/BLEApplicationManagerEmpty.cpp",
     "${example_platform_dir}/factory_data/source/AppFactoryDataExample.cpp",
   ]
 

examples/lighting-app/nxp/k32w1/BUILD.gn

@@ -146,6 +146,7 @@ mcxw71_k32w1_executable("light_app") {
     "${common_example_dir}/operational_keystore/include",
     "${common_example_dir}/rpc/include",
     "${common_example_dir}/ui_feedback/include",
+    "${common_example_dir}/app_ble/include",
   ]
 
   sources += [
@@ -155,6 +156,7 @@ mcxw71_k32w1_executable("light_app") {
     "${common_example_dir}/device_callbacks/source/CommonDeviceCallbacks.cpp",
     "${common_example_dir}/device_manager/source/CHIPDeviceManager.cpp",
     "${common_example_dir}/operational_keystore/source/OperationalKeystoreS200.cpp",
+    "${common_example_dir}/app_ble/source/BLEApplicationManagerEmpty.cpp",
     "${example_platform_dir}/factory_data/source/AppFactoryDataExample.cpp",
   ]