Add vr flinger test

Add a test to verify basic vr flinger functionality.

Bug: 109670936

Test: Confirmed the test passes successfully on the current master
build. I reverted ag/4197844 locally, which causes surface flinger to
crash when vr flinger is activated. I confirmed the test detected the
crash in surface flinger and reported a fail result, as expected.

Change-Id: Icc4c196d8a216d05c9d7defb4ab8416b900a16d9
diff --git a/libs/vr/libvrflinger/tests/Android.bp b/libs/vr/libvrflinger/tests/Android.bp
new file mode 100644
index 0000000..d500278
--- /dev/null
+++ b/libs/vr/libvrflinger/tests/Android.bp
@@ -0,0 +1,37 @@
+shared_libs = [
+    "android.hardware.configstore-utils",
+    "android.hardware.configstore@1.0",
+    "libbinder",
+    "libbufferhubqueue",
+    "libcutils",
+    "libgui",
+    "libhidlbase",
+    "liblog",
+    "libui",
+    "libutils",
+    "libnativewindow",
+    "libpdx_default_transport",
+]
+
+static_libs = [
+    "libdisplay",
+]
+
+cc_test {
+    srcs: ["vrflinger_test.cpp"],
+    // See go/apct-presubmit for documentation on how this .filter file is used
+    // by Android's automated testing infrastructure for test filtering.
+    data: ["vrflinger_test.filter"],
+    static_libs: static_libs,
+    shared_libs: shared_libs,
+    cflags: [
+        "-DLOG_TAG=\"VrFlingerTest\"",
+        "-DTRACE=0",
+        "-O0",
+        "-g",
+        "-Wall",
+        "-Werror",
+    ],
+    cppflags: ["-std=c++1z"],
+    name: "vrflinger_test",
+}