Start using the third_party/android_tools target for customtabs library

chrome/android/BUILD.gn

Index: chrome/android/BUILD.gn
diff --git a/chrome/android/BUILD.gn b/chrome/android/BUILD.gn
index 4cbd447a61bc1339435eab997e14be105e2a7e9f..fddca79aecf7bcb44e2c99558c2fdefe168a97ea 100644
--- a/chrome/android/BUILD.gn
+++ b/chrome/android/BUILD.gn
@@ -142,6 +142,7 @@ android_library("chrome_java") {
     "//third_party/android_protobuf:protobuf_nano_javalib",
     "//third_party/android_swipe_refresh:android_swipe_refresh_java",
     "//third_party/android_tools:android_gcm_java",
+    "//third_party/android_tools:android_support_customtabs_java",
     "//third_party/android_tools:android_support_design_java",
     "//third_party/android_tools:android_support_v13_java",
     "//third_party/android_tools:android_support_v7_appcompat_java",
@@ -166,7 +167,6 @@ android_library("chrome_java") {
   srcjar_deps = [
     ":chrome_android_java_enums_srcjar",
     ":chrome_version_srcjar",
-    ":custom_tabs_service_aidl",
     ":resource_id_javagen",
     "//chrome:page_info_connection_type_javagen",
     "//chrome:content_setting_javagen",
@@ -591,16 +591,6 @@ zip("chrome_version_srcjar") {
   ]
 }
 
-#GYP: //chrome/android/chrome_apk.gyp:custom_tabs_service_aidl
-android_aidl("custom_tabs_service_aidl") {
-  import_include = "java/src/android/support/customtabs"
-  interface_file = "java/src/android/support/customtabs/common.aidl"
-  sources = [
-    "java/src/android/support/customtabs/ICustomTabsCallback.aidl",
-    "java/src/android/support/customtabs/ICustomTabsService.aidl",
-  ]
-}
-
 # GYP: //chrome/android/chrome_apk.gyp:chrome_shared_test_java
 android_library("chrome_shared_test_java") {
   testonly = true