Delete all test isolate file.

ui/base/ui_base_unittests_apk.isolate

Index: ui/base/ui_base_unittests_apk.isolate
diff --git a/ui/base/ui_base_unittests_apk.isolate b/ui/base/ui_base_unittests_apk.isolate
deleted file mode 100644
index 87a76282f90951b2890db8cbe464d1aeecef35d3..0000000000000000000000000000000000000000
--- a/ui/base/ui_base_unittests_apk.isolate
+++ /dev/null
@@ -1,21 +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.
-{
-  'includes': [
-    '../../build/android/android.isolate',
-    'ui_base_tests.isolate'
-  ],
-  'variables': {
-    'command': [
-      '<(PRODUCT_DIR)/bin/run_ui_base_unittests',
-      '--logcat-output-dir', '${ISOLATED_OUTDIR}/logcats',
-    ],
-    'files': [
-      '../../third_party/icu/icu.isolate',
-      '<(PRODUCT_DIR)/bin/run_ui_base_unittests',
-      '<(PRODUCT_DIR)/ui_base_unittests_apk/',
-      'ui_base_tests.isolate',
-    ]
-  },
-}