[TTS] Fix a disabled test (OOP issue)

Speculate fix for testLivePrefetchFailoverRequestMadeAfterOpen
which was failing with out-of-process network service error.

BUG=1071721

Change-Id: I95cc3bba5ffd17e38b58fc88a3ff227045fe9feb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2486072
Commit-Queue: Sinan Sahin <sinansahin@google.com>
Reviewed-by: Sinan Sahin <sinansahin@google.com>
Auto-Submit: Donn Denman <donnd@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818664}

chrome/android/javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchManagerTest.java

@@ -1578,9 +1578,6 @@ public class ContextualSearchManagerTest {
     @ParameterAnnotations.UseMethodParameter(FeatureParamProvider.class)
     public void testLivePrefetchFailoverRequestMadeAfterOpen(@EnabledFeature int enabledFeature)
             throws Exception {
-        // Test fails with out-of-process network service. crbug.com/1071721
-        if (!ChromeFeatureList.isEnabled("NetworkServiceInProcess")) return;
-
         mFakeServer.reset();
         mFakeServer.setLowPriorityPathInvalid();
         simulateResolveSearch("search");