Add clang-format (#1086)

Co-authored-by: mwilsnd <mwilsnd@gmail.com>

src/mbgl/util/http_timeout.cpp

@@ -7,8 +7,9 @@
 namespace mbgl {
 namespace http {
 
-Duration errorRetryTimeout(Response::Error::Reason failedRequestReason, uint32_t failedRequests, std::optional<Timestamp> retryAfter) {
-
+Duration errorRetryTimeout(Response::Error::Reason failedRequestReason,
+                           uint32_t failedRequests,
+                           std::optional<Timestamp> retryAfter) {
     if (failedRequestReason == Response::Error::Reason::Server) {
         // Retry after one second three times, then start exponential backoff.
         return Seconds(failedRequests <= 3 ? 1 : 1u << std::min(failedRequests - 3, 31u));