[CodeFormat] Clang-format cpp sources (#4965)

Clang-format all c++ source files.

be/src/runtime/string_value.cpp

@@ -15,10 +15,12 @@
 // specific language governing permissions and limitations
 // under the License.
 
-#include "exec/olap_utils.h"
 #include "runtime/string_value.h"
+
 #include <cstring>
 
+#include "exec/olap_utils.h"
+
 namespace doris {
 
 std::string StringValue::debug_string() const {
@@ -37,4 +39,4 @@ std::size_t operator-(const StringValue& v1, const StringValue& v2) {
     return 0;
 }
 
-}
+} // namespace doris