Delete all test isolate file.

sandbox/sandbox_linux_unittests_apk.isolate

Index: sandbox/sandbox_linux_unittests_apk.isolate
diff --git a/sandbox/sandbox_linux_unittests_apk.isolate b/sandbox/sandbox_linux_unittests_apk.isolate
deleted file mode 100644
index b9aaf51ba0d785706b74fd51fe3bb9716ca236e2..0000000000000000000000000000000000000000
--- a/sandbox/sandbox_linux_unittests_apk.isolate
+++ /dev/null
@@ -1,19 +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',
-    'sandbox_linux_unittests.isolate',
-  ],
-  'variables': {
-    'command': [
-      '<(PRODUCT_DIR)/bin/run_sandbox_linux_unittests',
-      '--logcat-output-dir', '${ISOLATED_OUTDIR}/logcats',
-    ],
-    'files': [
-      '<(PRODUCT_DIR)/bin/run_sandbox_linux_unittests',
-      '<(PRODUCT_DIR)/sandbox_linux_unittests',
-    ]
-  },
-}