Disable NetworkServiceTestWithService.AIAFetching on android

The test is flaky:
https://analysis.chromium.org/p/chromium/flake-portal/flakes/occurrences?key=ag9zfmZpbmRpdC1mb3ItbWVyUAsSBUZsYWtlIkVjaHJvbWl1bUBzZXJ2aWNlc191bml0dGVzdHNATmV0d29ya1NlcnZpY2VUZXN0V2l0aFNlcnZpY2UuQUlBRmV0Y2hpbmcM

TBR=mmenke@chromium.org

Bug: 1045732
Change-Id: I192f6523c3baca956c7a99b5fbbda7bf1c1005ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2025532Reviewed-by: Yi Gu <yigu@chromium.org>
Commit-Queue: Yi Gu <yigu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#736048}

services/network/network_service_unittest.cc

@@ -1410,9 +1410,15 @@ TEST_F(NetworkServiceTestWithService, CRLSetDoesNotDowngrade) {
 // The SpawnedTestServer does not work on iOS.
 #if !defined(OS_IOS)
 
+// The test is flaky on Android. crbug.com/1045732.
+#if defined(OS_ANDROID)
+#define MAYBE_AIAFetching DISABLED_AIAFetching
+#else
+#define MAYBE_AIAFetching AIAFetching
+#endif
 // Test |primary_network_context|, which is required by AIA fetching, among
 // other things.
-TEST_F(NetworkServiceTestWithService, AIAFetching) {
+TEST_F(NetworkServiceTestWithService, MAYBE_AIAFetching) {
   mojom::NetworkContextParamsPtr context_params = CreateContextParams();
   context_params->primary_network_context = true;