Disable flaky WebBluetoothIdsUsedInWebBluetoothScanning.

Full test name:
WebBluetoothTestWithNewPermissionsBackendEnabled.WebBluetoothIdsUsedInWebBluetoothScanning

TBR=msw@chromium.org

Bug: 1147582
Change-Id: I03680033d9768aba32e6c3037b6b981b2bd4ed77
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2531779Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Commit-Queue: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#826242}

chrome/browser/bluetooth/web_bluetooth_browsertest.cc

@@ -683,8 +683,9 @@ IN_PROC_BROWSER_TEST_F(WebBluetoothTestWithNewPermissionsBackendEnabled,
   EXPECT_TRUE(blink::WebBluetoothDeviceId::IsValid(granted_id));
 }
 
+// TODO(crbug.com/1147582): Flaky
 IN_PROC_BROWSER_TEST_F(WebBluetoothTestWithNewPermissionsBackendEnabled,
-                       WebBluetoothIdsUsedInWebBluetoothScanning) {
+                       DISABLED_WebBluetoothIdsUsedInWebBluetoothScanning) {
   // Grant permission to scan for Bluetooth devices again, and compare the ID
   // assigned to the scanned device against the one that was stored previously.
   ASSERT_TRUE(content::ExecJs(web_contents_, R"(