Disable FeedbackTest.GetTargetTabUrl

This test appears to be flaky. See the attached bug for details.

Bug: 1069870
Change-Id: I12f20a5261ae0e5e5888904c409d399f655a06d9
Tbr: afakhry@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2145864Reviewed-by: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#758293}

chrome/browser/extensions/api/feedback_private/feedback_browsertest.cc

@@ -283,7 +283,8 @@ IN_PROC_BROWSER_TEST_F(FeedbackTest, ProvideBluetoothLogs) {
 }
 #endif  // if defined(CHROME_OS)
 
-IN_PROC_BROWSER_TEST_F(FeedbackTest, GetTargetTabUrl) {
+// Disabled due to flake: https://crbug.com/1069870
+IN_PROC_BROWSER_TEST_F(FeedbackTest, DISABLED_GetTargetTabUrl) {
   const std::pair<std::string, std::string> test_cases[] = {
       {"https://www.google.com/", "https://www.google.com/"},
       {"about://version/", chrome::kChromeUIVersionURL},