Reland "infra: Set gcc builders not to use Goma"

This is a reland of 32b685fa

There was an unrelated breakage. See https://crbug.com/v8/10655#c10

Original change's description:
> infra: Set gcc builders not to use Goma
>
> NOTRY=true
> NOTREECHECKS=true
>
> Bug: chromium:1100009
> Change-Id: I67deb383d41e6609d5c3215e02422c8b1c16f8f4
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2272738
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#68593}

TBR=liviurau@chromium.org
NOTREECHECKS=true

Bug: chromium:1100009
Change-Id: If59371bbe474383156effc6dfc92d848c304a416
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2276031Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68606}

infra/mb/mb_config.pyl

@@ -453,7 +453,7 @@
     'release_x64_fuchsia_trybot': [
       'release_trybot', 'x64', 'fuchsia'],
     'release_x64_gcc_coverage': [
-      'release_bot', 'x64', 'coverage', 'gcc', 'no_custom_libcxx',
+      'release_bot_no_goma', 'x64', 'coverage', 'gcc', 'no_custom_libcxx',
       'no_sysroot'],
     'release_x64_ios_simulator': [
       'release_bot', 'x64', 'ios_simulator'],
@@ -503,7 +503,7 @@
     'debug_x64_fuchsia': [
       'debug_bot', 'x64', 'fuchsia'],
     'debug_x64_gcc': [
-      'debug_bot', 'x64', 'gcc', 'v8_check_header_includes'],
+      'debug_bot_no_goma', 'x64', 'gcc', 'v8_check_header_includes'],
     'debug_x64_header_includes': [
       'debug_bot', 'x64', 'v8_check_header_includes'],
     'debug_x64_minimal_symbols': [
@@ -535,9 +535,9 @@
     'release_x86': [
       'release_bot', 'x86'],
     'release_x86_gcc': [
-      'release_bot', 'x86', 'gcc', 'v8_check_header_includes'],
+      'release_bot_no_goma', 'x86', 'gcc', 'v8_check_header_includes'],
     'release_x86_gcc_minimal_symbols': [
-      'release_bot', 'x86', 'gcc', 'minimal_symbols',
+      'release_bot_no_goma', 'x86', 'gcc', 'minimal_symbols',
       'v8_check_header_includes'],
     'release_x86_gcmole': [
       'release_bot', 'x86', 'gcmole'],
@@ -622,6 +622,12 @@
         'v8_optimized_debug'],
     },
 
+    'debug_bot_no_goma': {
+      'mixins': [
+        'debug', 'shared', 'no_goma', 'v8_enable_slow_dchecks',
+        'v8_optimized_debug'],
+    },
+
     'debug_trybot': {
       'mixins': ['debug_bot', 'minimal_symbols'],
     },