Make service tab launcher a component

chrome/android/BUILD.gn

Index: chrome/android/BUILD.gn
diff --git a/chrome/android/BUILD.gn b/chrome/android/BUILD.gn
index f56bfd05c2f907f59026aad42e6025426cbe6ebd..b4f5996d05dc23754fd1e36c5a166892e805adb9 100644
--- a/chrome/android/BUILD.gn
+++ b/chrome/android/BUILD.gn
@@ -87,6 +87,7 @@ android_library("chrome_java") {
     "//components/gcm_driver/android:gcm_driver_java",
     "//components/invalidation:java",
     "//components/navigation_interception/android:navigation_interception_java",
+    "//components/service_tab_launcher:service_tab_launcher_java",
     "//components/precache/android:precache_java",
     "//components/variations/android:variations_java",
     "//components/web_contents_delegate_android:web_contents_delegate_android_java",
@@ -234,6 +235,7 @@ android_library("chrome_shell_java") {
     "//base:base_java",
     "//content/public/android:content_java",
     "//components/dom_distiller/android:dom_distiller_core_java",
+    "//components/service_tab_launcher:service_tab_launcher_java",
     "//components/web_contents_delegate_android:web_contents_delegate_android_java",
     "//printing:printing_java",
     "//net/android:net_java",