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=pastarmovj@chromium.org

Bug: 1023677
Change-Id: I5fe629d2b7e3725a41a53d0be763dfd3b9086ede
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1927017
Auto-Submit: Ilia Samsonov <isamsonov@google.com>
Reviewed-by: Julian Pastarmov <pastarmovj@chromium.org>
Commit-Queue: Julian Pastarmov <pastarmovj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#717654}

chrome/browser/enterprise_reporting/report_uploader_unittest.cc

@@ -290,7 +290,7 @@ TEST_P(ReportUploaderTestWithTransientError, WithoutRetry) {
 }
 
 INSTANTIATE_TEST_SUITE_P(
-    ,
+    All,
     ReportUploaderTestWithTransientError,
     ::testing::Values(policy::DM_STATUS_REQUEST_FAILED,
                       policy::DM_STATUS_TEMPORARY_UNAVAILABLE,