Add prefix to empty param tests.

googletest will no longer support empty prefix
for parameterized INSTANTIATE_TEST_SUITE_P.
Adding "All" prefix to existing empty prefix test suites.

This CL was uploaded by git cl split.

R=mpearson@chromium.org

Bug: 1023677
Change-Id: I20d5e41c5adc458b0528d668157687d5bf9e758a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1925744
Auto-Submit: Ilia Samsonov <isamsonov@google.com>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Commit-Queue: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720546}

components/web_resource/resource_request_allowed_notifier_unittest.cc

@@ -297,7 +297,7 @@ TEST_P(ResourceRequestAllowedNotifierTest, NoRequestNoNotifyEula) {
 }
 
 INSTANTIATE_TEST_SUITE_P(
-    ,
+    All,
     ResourceRequestAllowedNotifierTest,
     testing::Values(ConnectionTrackerResponseMode::kSynchronous,
                     ConnectionTrackerResponseMode::kAsynchronous));