Flip "Linux x64", linux_chromium_archive_rel_ng bots to MB.

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 259a016184320a22aa8da685820fcaddc6925a05..af69a5fe52c7f1e5c0e301061e827570c2255ff9 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -244,7 +244,7 @@
     'libfuzzer': { 'gn_args': 'use_libfuzzer=true' },
 
     'linux_dump_symbols': {
-      'gn_args': 'error', # TODO(GYP): Port linux_dump_symbols?
+      'gn_args': '', # TODO(GYP): Port linux_dump_symbols?
       'gyp_defines': 'linux_dump_symbols=1',
     },
 
@@ -492,6 +492,7 @@
       'linux_arm_tester': 'none',
       'linux_chromium_compile_dbg_32_ng': 'swarming_gyp_debug_trybot_x86',
       'linux_chromium_dbg_32_ng': 'swarming_gyp_debug_trybot_x86',
+      'linux_chromium_archive_rel_ng': 'noswarming_gyp_release_bot_linux_dump_symbols',
       'linux_chromium_clobber_rel_ng': 'gyp_release_trybot',
       'linux_chromium_gn_upload': 'gn_linux_upload',
       'cast_shell_linux': 'cast_gyp_release_trybot',