CrWinClangLLD bot: switch to official static builds to test LTO

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 f2c8cd297198cc8ce349b3b64282adac17067197..b242c937220ee7fa8187eee05e7cf3121c779eea 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -153,7 +153,7 @@
       'CrWinAsanCov': 'asan_clang_edge_fuzzer_static_v8_heap_x86_full_symbols_release',
       'CrWinClang(shared)': 'clang_minimal_symbols_shared_release_bot_x86',
       'CrWinClang64(dbg)': 'win_clang_debug_bot',
-      'CrWinClangLLD': 'clang_tot_minimal_symbols_shared_release_use_lld_x86',
+      'CrWinClangLLD': 'clang_tot_official_minimal_symbols_static_use_lld_x86',
       'CrWinClangLLD64': 'clang_tot_minimal_symbols_shared_release_use_lld',
       'CrWinClngLLD64dbg': 'clang_tot_minimal_symbols_shared_debug_use_lld',
       'CrWinClngLLDdbg': 'clang_tot_minimal_symbols_shared_debug_use_lld_x86',
@@ -1075,8 +1075,8 @@
       'clang_tot', 'minimal_symbols', 'shared', 'release', 'use_lld',
     ],
 
-    'clang_tot_minimal_symbols_shared_release_use_lld_x86': [
-      'clang_tot', 'minimal_symbols', 'shared', 'release', 'use_lld', 'x86',
+    'clang_tot_official_minimal_symbols_static_use_lld_x86': [
+      'clang_tot', 'official', 'minimal_symbols', 'static', 'release', 'use_lld', 'x86',
     ],
 
     'clang_tot_minimal_symbols_shared_release': [