Move android.hardware.tests.msgq@1.0-impl to system.img

Bug:63704014
Test: make vts
      vts-tradefed run vts -m VtsFmqUnitTest.

Change-Id: I0deb28ffdbd437cc05d9c1efed63e0ba9dc3a048
diff --git a/tests/msgq/1.0/default/Android.bp b/tests/msgq/1.0/default/Android.bp
index e3c49e7..eb25ac2 100644
--- a/tests/msgq/1.0/default/Android.bp
+++ b/tests/msgq/1.0/default/Android.bp
@@ -17,7 +17,6 @@
     name: "android.hardware.tests.msgq@1.0-impl",
     defaults: ["hidl_defaults"],
     relative_install_path: "hw",
-    proprietary: true,
     srcs: [
         "TestMsgQ.cpp",
         "BenchmarkMsgQ.cpp"