Move libvr_hwc-hal and vr_hwc into system_ext

they are not a part of the system according to
generic_system.mk.

Bug: 173538619
Bug: 167689596
Test: presubmit
Signed-off-by: Roman Kiryanov <rkir@google.com>
Change-Id: I00fad53e29794130983534f7e9ebc05ac09cc1d8
diff --git a/services/vr/hardware_composer/Android.bp b/services/vr/hardware_composer/Android.bp
index 4df7b7c..3728731 100644
--- a/services/vr/hardware_composer/Android.bp
+++ b/services/vr/hardware_composer/Android.bp
@@ -1,6 +1,8 @@
 cc_library_shared {
     name: "libvr_hwc-hal",
 
+    system_ext_specific: true,
+
     srcs: [
         "impl/vr_hwc.cpp",
         "impl/vr_composer_client.cpp",
@@ -97,6 +99,7 @@
 
 cc_binary {
     name: "vr_hwc",
+    system_ext_specific: true,
     vintf_fragments: ["manifest_vr_hwc.xml"],
     srcs: [
         "vr_hardware_composer_service.cpp",