Recovery Test: add SideloadTest to test FUSE support on target

FUSE FS is required in recovery sideload functionalites.
This CL is to add a native test to flag when FUSE is not
supported in the device kernel.

Bug: 35768196
Test: mma, run recovery_component_test on marlin and pass all
Change-Id: I43b6dbee658010df56ba4d4b0e91baa7fd1c4480
diff --git a/tests/Android.mk b/tests/Android.mk
index 3ab5ea6..c7d3325 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -90,6 +90,7 @@
     component/bootloader_message_test.cpp \
     component/edify_test.cpp \
     component/imgdiff_test.cpp \
+    component/sideload_test.cpp \
     component/uncrypt_test.cpp \
     component/updater_test.cpp \
     component/verifier_test.cpp
diff --git a/tests/component/sideload_test.cpp b/tests/component/sideload_test.cpp
new file mode 100644
index 0000000..ea93e9b
--- /dev/null
+++ b/tests/component/sideload_test.cpp
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <unistd.h>
+#include <gtest/gtest.h>
+
+TEST(SideloadTest, fusedevice) {
+  ASSERT_NE(-1, access("/dev/fuse", R_OK | W_OK));
+}