remove Sk prefix from CommandLineFlags

The command line flag package is tool-only, not part of Skia per se,
and does not need an Sk prefix to avoid naming conflicts.

And git clang-format.

Change-Id: Ida8477779e51750ed0475590ed2454841b23d6ea
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202307
Auto-Submit: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index f89cedc..563c189 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1532,14 +1532,14 @@
   test_lib("flags") {
     public_include_dirs = [ "tools/flags" ]
     sources = [
-      "tools/flags/SkCommandLineFlags.cpp",
+      "tools/flags/CommandLineFlags.cpp",
     ]
   }
   test_lib("common_flags") {
     public_include_dirs = [ "tools/flags" ]
     sources = [
-      "tools/flags/SkCommonFlags.cpp",
-      "tools/flags/SkCommonFlagsConfig.cpp",
+      "tools/flags/CommonFlags.cpp",
+      "tools/flags/CommonFlagsConfig.cpp",
     ]
     deps = [
       ":flags",