[lacros] Fix linux-lacros-compile-rel mb config

This CL fixes linux-lacros-compile-re mb config to attach it to
chromiumos instead of linux.

Bug: 1110382
Change-Id: Id4ad6f28862aa155d72fa36fc33be0c417a8168b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2337386
Auto-Submit: Yuke Liao <liaoyuke@chromium.org>
Reviewed-by: Sven Zheng <svenzheng@chromium.org>
Commit-Queue: Yuke Liao <liaoyuke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#794830}

tools/mb/mb_config.pyl

@@ -135,6 +135,7 @@
       'linux-chromeos-rel': 'chromeos_with_codecs_release_bot',
       'linux-chromeos-dbg': 'chromeos_with_codecs_debug_bot',
       'linux-lacros-builder-rel': 'lacros_on_linux_release_bot',
+      'linux-lacros-compile-rel': 'lacros_on_linux_release_bot',
       'linux-lacros-tester-rel': 'lacros_on_linux_release_bot',
     },
 
@@ -888,7 +889,6 @@
       'linux-clang-tidy-rel': 'release_trybot',
       'linux-dcheck-off-rel': 'release_trybot_dcheck_off',
       'linux-gcc-rel': 'release_bot_x86_minimal_symbols_no_clang_cxx11',
-      'linux-lacros-compile-rel': 'lacros_on_linux_release_bot',
       'linux-lacros-fyi-rel': 'lacros_on_linux_release_bot',
       'linux-libfuzzer-asan-rel': 'libfuzzer_asan_release_trybot',
       'linux-ozone-rel': 'ozone_linux_release_trybot',