sheriff: Disable slow FileManagerUITest tests

TBR=joelhockey@chromium.org

Bug: 1135410
Change-Id: I60f8130bbf2b4b7451e279ae2b344cfcd721d7b3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2449838Reviewed-by: Fergus Dall <sidereal@google.com>
Commit-Queue: Fergus Dall <sidereal@google.com>
Cr-Commit-Position: refs/heads/master@{#814075}

chrome/browser/chromeos/file_manager/file_manager_uitest.cc

@@ -67,7 +67,8 @@ IN_PROC_BROWSER_TEST_F(FileManagerUITest, CrostiniMount) {
   RunTest("crostiniMount");
 }
 
-IN_PROC_BROWSER_TEST_F(FileManagerUITest, CrostiniShare) {
+// TODO(crbug.com/1135410) Renable this once it won't timeout.
+IN_PROC_BROWSER_TEST_F(FileManagerUITest, DISABLED_CrostiniShare) {
   RunTest("crostiniShare");
 }
 
@@ -83,7 +84,8 @@ IN_PROC_BROWSER_TEST_F(FileManagerUITest, PluginVm) {
   RunTest("pluginVm");
 }
 
-IN_PROC_BROWSER_TEST_F(FileManagerUITest, PluginVmShare) {
+// TODO(crbug.com/1135410) Renable this once it won't timeout.
+IN_PROC_BROWSER_TEST_F(FileManagerUITest, DISABLED_PluginVmShare) {
   RunTest("pluginVmShare");
 }