Delete all test isolate file.

android_webview/android_webview_unittests_apk.isolate

Index: android_webview/android_webview_unittests_apk.isolate
diff --git a/android_webview/android_webview_unittests_apk.isolate b/android_webview/android_webview_unittests_apk.isolate
deleted file mode 100644
index dc12ec5ff35617bb1e5e6a43caa05f707dea2001..0000000000000000000000000000000000000000
--- a/android_webview/android_webview_unittests_apk.isolate
+++ /dev/null
@@ -1,18 +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',
-  ],
-  'variables': {
-    'command': [
-      '<(PRODUCT_DIR)/bin/run_android_webview_unittests',
-      '--logcat-output-dir', '${ISOLATED_OUTDIR}/logcats',
-    ],
-    'files': [
-      '<(PRODUCT_DIR)/bin/run_android_webview_unittests',
-      '<(PRODUCT_DIR)/android_webview_unittests_apk/',
-    ]
-  },
-}