Disable BackgroundKeepaliveIdle test due to flaky ASAN failures.

NOTRY=true
BUG=332440

Review URL: https://codereview.chromium.org/129093002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243628 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/app_background_page_apitest.cc

@@ -616,7 +616,8 @@ IN_PROC_BROWSER_TEST_F(AppBackgroundPageNaClTest, BackgroundKeepaliveActive) {
 #if defined(OS_WIN)
 #define MAYBE_BackgroundKeepaliveIdle DISABLED_BackgroundKeepaliveIdle
 #else
-#define MAYBE_BackgroundKeepaliveIdle BackgroundKeepaliveIdle
+// ASAN errors appearing: https://crbug.com/332440
+#define MAYBE_BackgroundKeepaliveIdle DISABLED_BackgroundKeepaliveIdle
 #endif
 IN_PROC_BROWSER_TEST_F(AppBackgroundPageNaClTest,
                        MAYBE_BackgroundKeepaliveIdle) {