update engine: clang formatting

Fix clang formatting issues for all .cc, .h, and .proto files
in update engine.

~/trunk/src/chromium/src/buildtools/linux64/clang-format -i \
-style=file $(find update_engine -name '*.h' -o -name '*.cc' \
-o -name '*.cpp' -o -name '*.c')

BUG=b:169679497
TEST=CQ pass

Change-Id: I4fde01d3e734dbffaa2c7e7b667503d310abccae
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/update_engine/+/2462840
Reviewed-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Jae Hoon Kim <kimjae@chromium.org>
Tested-by: Vyshu Khota <vyshu@google.com>
Commit-Queue: Vyshu Khota <vyshu@google.com>
diff --git a/omaha_request_params.h b/omaha_request_params.h
index 5d30d58..1e9ab7d 100644
--- a/omaha_request_params.h
+++ b/omaha_request_params.h
@@ -384,8 +384,8 @@
   // TODO(b:133324571) tracks removal of this field once it is no longer
   // needed in AU requests. Remove by October 1st 2019.
   std::string device_requisition_;  // Chrome OS Requisition type.
-  bool delta_okay_;         // If this client can accept a delta
-  bool interactive_;        // Whether this is a user-initiated update check
+  bool delta_okay_;                 // If this client can accept a delta
+  bool interactive_;  // Whether this is a user-initiated update check
 
   // The URL to send the Omaha request to.
   std::string update_url_;