Use lower case style for commands

Where possible this syncs the CS for command names:

- check_c_source_compiles()
- check_cxx_compiler_flag()
- check_cxx_source_compiles()
- check_cxx_symbol_exists()
- check_include_file_cxx()
- check_include_file()
- check_include_files()
- check_library_exists()
- check_source_compiles()
- check_struct_has_member()
- check_symbol_exists()
- check_type_size()
- cmake_dependent_option()
- cmake_parse_arguments()
- feature_summary()
- file()
- find_package_handle_standard_args()
- if(), endif...
- install(FILES)
- list()
- message()
- pkg_check_modules()
- select_library_configurations()
- set_package_info()
- test_big_endian()

Modules/AndroidTestUtilities/PushToAndroidDevice.cmake

@@ -82,7 +82,7 @@ function(android_push_test_files_to_device)
   # dev_object_store : absolute path to the device object store directory.
   # link_origin      : absolute path to the origin of the link to the dev obj store data file.
   function(push_and_link data_path dev_object_store link_origin)
-    FILE(SHA1 ${data_path} hash_val)
+    file(SHA1 ${data_path} hash_val)
     set(obj_store_dst ${dev_object_store}/${hash_val})
     check_device_file_exists(${obj_store_dst} obj_store_file_exists)
     # TODO: Verify that the object store file is indeed hashed correctly. Could use md5.
@@ -95,7 +95,7 @@ function(android_push_test_files_to_device)
     endif()
     foreach(ex ${arg_no_link_regex})
       filename_regex(${data_path} ${ex})
-      LIST(APPEND match_ex ${filename_match})
+      list(APPEND match_ex ${filename_match})
     endforeach()
     if(match_ex)
       execute_adb_command(shell cp ${obj_store_dst} ${link_origin})