Gardening: Disable LcpBreakdownTimingsTest.ManualLazyLoadingImage on Linux

Bug: 1487837
Change-Id: I8849a481db225ca0746975113b70b1684e0c71df
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4904003
Commit-Queue: Hiroki Nakagawa <nhiroki@chromium.org>
Reviewed-by: Takashi Sakamoto <tasak@google.com>
Owners-Override: Hiroki Nakagawa <nhiroki@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1203060}
diff --git a/chrome/browser/page_load_metrics/integration_tests/largest_contentful_paint_browsertest.cc b/chrome/browser/page_load_metrics/integration_tests/largest_contentful_paint_browsertest.cc
index b28f316..712701a 100644
--- a/chrome/browser/page_load_metrics/integration_tests/largest_contentful_paint_browsertest.cc
+++ b/chrome/browser/page_load_metrics/integration_tests/largest_contentful_paint_browsertest.cc
@@ -1200,7 +1200,8 @@
   Validate();
 }
 
-#if BUILDFLAG(IS_CHROMEOS_LACROS)
+// TODO(https://crbug.com/1487837): This test is failing on Linux CFI.
+#if BUILDFLAG(IS_CHROMEOS_LACROS) || BUILDFLAG(IS_LINUX)
 #define MAYBE_ManualLazyLoadingImage DISABLED_ManualLazyLoadingImage
 #else
 #define MAYBE_ManualLazyLoadingImage ManualLazyLoadingImage