Switch ClangToTLinux (dbg) from gyp to gn.

tools/mb/mb_config.pyl

Index: tools/mb/mb_config.pyl
diff --git a/tools/mb/mb_config.pyl b/tools/mb/mb_config.pyl
index 10dda222371372f36dd907430eebe681d7d012ac..a0b51efd8bfb21121bfda86b4f83bd40f49c0ab1 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -131,7 +131,7 @@
       'ClangToTLinux':
         'swarming_gyp_clang_tot_linux_dump_symbols_shared_release',
       'ClangToTLinux tester': 'none',
-      'ClangToTLinux (dbg)': 'swarming_gyp_clang_tot_shared_debug',
+      'ClangToTLinux (dbg)': 'swarming_clang_tot_shared_debug',

[hans, 2016/04/28 20:30:42]

I assume the name on the right just refers to the key further down (line 1600),
not some actual buildbot config or something?

       'ClangToTLinuxASan': 'swarming_gyp_clang_tot_asan_lsan_static_release',
       'ClangToTLinuxASan tester': 'none',
       'ClangToTLinuxUBSanVptr':
@@ -1597,8 +1597,8 @@
       'swarming', 'gyp', 'clang_tot', 'asan', 'lsan', 'static', 'release',
     ],
 
-    'swarming_gyp_clang_tot_shared_debug': [
-      'swarming', 'gyp', 'clang_tot', 'shared', 'debug',
+    'swarming_clang_tot_shared_debug': [
+      'swarming', 'gn', 'clang_tot', 'shared', 'debug',
     ],
 
     'swarming_gyp_clang_tot_linux_dump_symbols_shared_release': [