Make component_unittests run the same tests on GYP and GN on Android

components/sessions/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
 config("implementation") {
   defines = [ "SESSIONS_IMPLEMENTATION" ]
@@ skipping 132 matching lines @@
   ]
 
   if (!is_android && !is_ios) {
     sources += [
       "core/base_session_service_test_helper.cc",
       "core/base_session_service_test_helper.h",
     ]
   }
 }
 
-if (!is_android) {
-  source_set("unit_tests") {
-    testonly = true
-    sources = [
-      "core/serialized_navigation_entry_unittest.cc",
-      "core/session_backend_unittest.cc",
-      "core/session_types_unittest.cc",
-      "ios/ios_serialized_navigation_builder_unittest.cc",
-      "ios/ios_serialized_navigation_driver_unittest.cc",
-    ]
+source_set("unit_tests") {
+  testonly = true
+  sources = [
+    "core/serialized_navigation_entry_unittest.cc",
+    "core/session_backend_unittest.cc",
+    "core/session_types_unittest.cc",
+    "ios/ios_serialized_navigation_builder_unittest.cc",
+    "ios/ios_serialized_navigation_driver_unittest.cc",
+  ]
 
-    if (!is_ios) {
-      sources += [
-        "content/content_serialized_navigation_builder_unittest.cc",
-        "content/content_serialized_navigation_driver_unittest.cc",
-      ]
-    }
-
-    public_deps = [
-      ":sessions",
-    ]
-
-    deps = [
-      ":test_support",
-      "//base/test:test_support",
-      "//testing/gtest",
+  if (!is_ios) {
+    sources += [
+      "content/content_serialized_navigation_builder_unittest.cc",
+      "content/content_serialized_navigation_driver_unittest.cc",
     ]
   }
+
+  public_deps = [
+    ":sessions",
+  ]
+
+  deps = [
+    ":test_support",
+    "//base/test:test_support",
+    "//testing/gtest",
+  ]
 }