Add test that <uses-library> is not in monochrome's AndroidManifest.xml

This CL adds tests to monochrome_apk_checker checking that:
- <uses-library> is not in the MonochromePublic.apk's AndroidManifest.xml
- MonochromePublic.apk does not call into org.apache.http

BUG=1115604

Change-Id: I295a97022f146c66ccd78eee6f54640a344e2589
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2462035
Commit-Queue: Peter Kotwicz <pkotwicz@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815169}

chrome/android/monochrome/scripts/monochrome_android_manifest_test.py

+#!/usr/bin/env python3
+#
+# Copyright 2020 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.
+"""Contains tests which test monochrome's AndroidManifest.xml"""
+
+import os
+import sys
+
+CUR_DIR = os.path.dirname(os.path.realpath(__file__))
+SRC_DIR = os.path.dirname(
+    os.path.dirname(os.path.dirname(os.path.dirname(CUR_DIR))))
+TYP_DIR = os.path.join(
+    SRC_DIR, 'third_party', 'catapult', 'third_party', 'typ')
+DEVIL_DIR = os.path.join(SRC_DIR, 'third_party', 'catapult', 'devil')
+
+if TYP_DIR not in sys.path:
+  sys.path.insert(0, TYP_DIR)
+if DEVIL_DIR not in sys.path:
+  sys.path.insert(0, DEVIL_DIR)
+
+from devil.android.sdk import build_tools
+from devil.utils import cmd_helper
+import typ
+
+
+class MonochromeAndroidManifestCheckerTest(typ.TestCase):
+  def testManifest(self):
+    monochrome_apk = self.context.monochrome_apk
+    cmd = [
+        build_tools.GetPath('aapt'), 'dump', 'xmltree', monochrome_apk,
+           'AndroidManifest.xml']
+    status, manifest = cmd_helper.GetCmdStatusAndOutput(cmd)
+    self.assertEquals(status, 0)
+    # Check that AndroidManifest.xml does not have any <uses-library> tags.
+    # crbug.com/115604
+    self.assertNotIn('uses-library', manifest)

chrome/android/monochrome/scripts/monochrome_dexdump_test.py

+#!/usr/bin/env python3
+#
+# Copyright 2020 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.
+"""Contains tests which use dexdump of monochrome's dex files."""
+
+import os
+import shutil
+import sys
+import tempfile
+import zipfile
+
+CUR_DIR = os.path.dirname(os.path.realpath(__file__))
+SRC_DIR = os.path.dirname(
+    os.path.dirname(os.path.dirname(os.path.dirname(CUR_DIR))))
+TYP_DIR = os.path.join(
+    SRC_DIR, 'third_party', 'catapult', 'third_party', 'typ')
+DEVIL_DIR = os.path.join(SRC_DIR, 'third_party', 'catapult', 'devil')
+
+if TYP_DIR not in sys.path:
+  sys.path.insert(0, TYP_DIR)
+if DEVIL_DIR not in sys.path:
+  sys.path.insert(0, DEVIL_DIR)
+
+from devil.android.sdk import build_tools
+from devil.utils import cmd_helper
+import typ
+
+
+def _extract_dex_dumps(apk):
+  build_dir = tempfile.mkdtemp()
+  extracted_dex_files = _extract_dex_files(apk, build_dir)
+  cmd = [ build_tools.GetPath('dexdump'), '-d' ] + extracted_dex_files
+  status, out = cmd_helper.GetCmdStatusAndOutput(cmd)
+  shutil.rmtree(build_dir)
+  return (status, out)
+
+def _extract_dex_files(apk, dest_dir):
+  extracted_files = []
+  with zipfile.ZipFile(apk) as z:
+    for info in z.infolist():
+      if info.filename.endswith('.dex'):
+        extracted_files.append(z.extract(info.filename, dest_dir))
+
+  return extracted_files
+
+class MonochromeDexDumpTest(typ.TestCase):
+  def testMain(self):
+    monochrome_apk = self.context.monochrome_apk
+    status, dump = _extract_dex_dumps(monochrome_apk)
+    self.assertEquals(status, 0)
+    # Check that the dexdump does not have any calls to org.apache.http
+    # crbug.com/115604
+    self.assertNotIn('org/apache/http', dump)