Merge "Fix test following -p removal." am: 5e49fbc5 am: 3039d9d4

            temp_files = make_random_host_files(in_dir=full_dir_path, num_files=32)

            # Clean up any trash on the device.

            device = adb.get_device(product=base_dir)

            device = adb.get_device()  # pylint: disable=no-member

            device.shell(['rm', '-rf', self.DEVICE_TEMP_DIR])

            old_product_out = os.environ.get('ANDROID_PRODUCT_OUT')

            os.environ['ANDROID_PRODUCT_OUT'] = base_dir

            device.sync('data')

            if old_product_out is None:

                del os.environ['ANDROID_PRODUCT_OUT']

            else:

                os.environ['ANDROID_PRODUCT_OUT'] = old_product_out

            # Confirm that every file on the device mirrors that on the host.

            for temp_file in temp_files: