Remove GYP annotations from chrome, ui, tools GN files.

chrome/test/android/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.
 
 import("//build/config/android/rules.gni")
 
-# GYP: //chrome/chrome_tests.gypi:chrome_java_test_support
 android_library("chrome_java_test_support") {
   testonly = true
   java_files = [
     "javatests/src/org/chromium/chrome/test/ChromeActivityTestCaseBase.java",
     "javatests/src/org/chromium/chrome/test/ChromeInstrumentationTestRunner.java",
     "javatests/src/org/chromium/chrome/test/ChromeTabbedActivityTestBase.java",
     "javatests/src/org/chromium/chrome/test/DocumentActivityTestBase.java",
     "javatests/src/org/chromium/chrome/test/gcore/MockChromeGoogleApiClient.java",
     "javatests/src/org/chromium/chrome/test/invalidation/IntentSavingContext.java",
     "javatests/src/org/chromium/chrome/test/MultiActivityTestBase.java",
@@ skipping 57 matching lines @@
     "//net/android:net_java",
     "//net/android:net_java_test_support",
     "//testing/android/reporter:reporter_java",
     "//third_party/android_tools:android_support_v7_appcompat_java",
     "//third_party/android_tools:legacy_http_javalib",
     "//third_party/jsr-305:jsr_305_javalib",
     "//ui/android:ui_java",
     google_play_services_library,
   ]
 }