Run gn --format over all .gn files

The recent formatter alphebetizing change is causing a lot of noise in
code reviews. Figured it'd be worth a clean-up CL.

Exact command I ran:
find . -name "*.gn*" -exec gn format --in-place "{}" \;

TBR=ddorwin@chromium.org
BUG=554928
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1464873002

Cr-Original-Commit-Position: refs/heads/master@{#360891}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: d7a71c88990b6788ceaf1ec9ee518099709ff3fd
diff --git a/BUILD.gn b/BUILD.gn
index 36937b8..95903e8 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -299,10 +299,10 @@
       ":compile_gperf_for_include",
       ":compile_nasm_macros",
       ":compile_nasm_version",
+      ":compile_re2c",
       ":compile_re2c_lc3b",
       ":compile_win64_gas",
       ":compile_win64_nasm",
-      ":compile_re2c",
       ":generate_license",
       ":generate_module",
       ":generate_version",