[Android] Switch instrumentation tests to generated device isolates.

chrome/chrome_public_test_apk.isolate

Index: chrome/chrome_public_test_apk.isolate
diff --git a/chrome/chrome_public_test_apk.isolate b/chrome/chrome_public_test_apk.isolate
deleted file mode 100644
index b18a35a86b8daa8c2c8a0ce50c5334dc1b00c502..0000000000000000000000000000000000000000
--- a/chrome/chrome_public_test_apk.isolate
+++ /dev/null
@@ -1,27 +0,0 @@
-# Copyright 2015 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.
-
-{
-  'variables': {
-    'files': [
-      '<(DEPTH)/chrome/test/data/android/',
-      '<(DEPTH)/chrome/test/data/banners/',
-      '<(DEPTH)/chrome/test/data/encoding_tests/auto_detect/Big5_with_no_encoding_specified.html',
-      '<(DEPTH)/chrome/test/data/geolocation/',
-      '<(DEPTH)/chrome/test/data/google/',
-      '<(DEPTH)/chrome/test/data/image_search/valid.png',
-      '<(DEPTH)/chrome/test/data/navigation_interception/',
-      '<(DEPTH)/chrome/test/data/notifications/',
-      '<(DEPTH)/chrome/test/data/popup_blocker/',
-      '<(DEPTH)/chrome/test/data/push_messaging/',
-      '<(DEPTH)/chrome/test/data/translate/',
-      '<(DEPTH)/chrome/test/data/webapps/',
-      '<(DEPTH)/chrome/test/media_router/resources/',
-      '<(DEPTH)/content/test/data/android/geolocation.html',
-      '<(DEPTH)/content/test/data/media/getusermedia.html',
-      '<(DEPTH)/content/test/data/media/session/',
-      '<(DEPTH)/content/test/data/media/webrtc_test_utilities.js',
-    ],
-  },
-}