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=jdoerrie@chromium.org

Bug: 1023677
Change-Id: Icb6700d62c0f13d14e1d2b6c1217f4821026dca6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1926812
Auto-Submit: Ilia Samsonov <isamsonov@google.com>
Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Jan Wilken Dörrie <jdoerrie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#717212}

chrome/browser/ui/passwords/settings/password_access_authenticator_unittest.cc

@@ -128,7 +128,7 @@ TEST_P(PasswordAccessAuthenticatorTest, TimeZero) {
   EXPECT_TRUE(reauth_called);
 }
 
-INSTANTIATE_TEST_SUITE_P(,
+INSTANTIATE_TEST_SUITE_P(All,
                          PasswordAccessAuthenticatorTest,
                          Values(password_manager::ReauthPurpose::VIEW_PASSWORD,
                                 password_manager::ReauthPurpose::EXPORT));