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=hendrich@chromium.org

Bug: 1023677
Change-Id: I0c49e6220082ed39c6f4cd890abf601696b37f27
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1926926
Auto-Submit: Ilia Samsonov <isamsonov@google.com>
Reviewed-by: Alexander Hendrich <hendrich@chromium.org>
Commit-Queue: Alexander Hendrich <hendrich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#717263}

chrome/browser/chromeos/policy/device_dock_mac_address_source_handler_unittest.cc

@@ -84,7 +84,7 @@ TEST_P(DeviceDockMacAddressHandlerTest, OnPolicyChange) {
 }
 
 INSTANTIATE_TEST_SUITE_P(
-    ,
+    All,
     DeviceDockMacAddressHandlerTest,
     testing::Values(std::make_tuple(1, "designated_dock_mac"),
                     std::make_tuple(2, "builtin_adapter_mac"),

chrome/browser/chromeos/policy/signin_profile_extensions_policy_browsertest.cc

@@ -246,7 +246,7 @@ IN_PROC_BROWSER_TEST_P(SigninProfileExtensionsPolicyPerChannelTest,
           kNotWhitelistedExtensionId));
 }
 
-INSTANTIATE_TEST_SUITE_P(,
+INSTANTIATE_TEST_SUITE_P(All,
                          SigninProfileExtensionsPolicyPerChannelTest,
                          testing::Values(version_info::Channel::UNKNOWN,
                                          version_info::Channel::CANARY,

chrome/browser/chromeos/policy/site_isolation_flag_handling_browsertest.cc

@@ -347,7 +347,7 @@ IN_PROC_BROWSER_TEST_P(SiteIsolationFlagHandlingTest, FlagHandlingTest) {
   EXPECT_EQ(GetParam().expected_switches_for_user, switches_for_user);
 }
 
-INSTANTIATE_TEST_SUITE_P(,
+INSTANTIATE_TEST_SUITE_P(All,
                          SiteIsolationFlagHandlingTest,
                          ::testing::ValuesIn(kTestCases));