[PoC] Reformat all BUILD.gn and *.gni files with new gn.

ui/views/mus/BUILD.gn

Index: ui/views/mus/BUILD.gn
diff --git a/ui/views/mus/BUILD.gn b/ui/views/mus/BUILD.gn
index 852dcc5df79c25cdb09dbc03f5a3cec7ee59bfbe..87e182af58a4bed4b8bca3b6795b4df3e26e5938 100644
--- a/ui/views/mus/BUILD.gn
+++ b/ui/views/mus/BUILD.gn
@@ -42,7 +42,6 @@ source_set("mus") {
     "//components/mus/public/interfaces",
     "//components/resource_provider/public/cpp",
     "//components/resource_provider/public/interfaces",
-    "//skia",
     "//mojo/application/public/cpp",
     "//mojo/application/public/interfaces",
     "//mojo/converters/geometry",
@@ -51,6 +50,7 @@ source_set("mus") {
     "//mojo/converters/network",
     "//mojo/converters/surfaces",
     "//mojo/public/cpp/bindings",
+    "//skia",
     "//third_party/icu",
     "//ui/aura",
     "//ui/compositor",
@@ -85,8 +85,8 @@ repack("resources") {
   ]
   output = "$root_out_dir/views_mus_resources.pak"
   deps = [
-    "//ui/strings",
     "//ui/resources",
+    "//ui/strings",
     "//ui/views/resources",
   ]
 }