Move pdx system/ paths to system/vr/

If PDX is used for non-vr stuff in the future, it will be clear
that system/vr/display is for vr and not general display

Test: compile and make sure the vr systems still work
Change-Id: I7f4331b51011574598ea3636f675be68d1ff49a0
diff --git a/libs/vr/libdisplay/include/private/dvr/display_rpc.h b/libs/vr/libdisplay/include/private/dvr/display_rpc.h
index 6150b35..1c1a5e0 100644
--- a/libs/vr/libdisplay/include/private/dvr/display_rpc.h
+++ b/libs/vr/libdisplay/include/private/dvr/display_rpc.h
@@ -205,7 +205,7 @@
 
 struct DisplayRPC {
   // Service path.
-  static constexpr char kClientPath[] = "system/display/client";
+  static constexpr char kClientPath[] = "system/vr/display/client";
 
   // Op codes.
   enum {
@@ -253,7 +253,7 @@
 
 struct DisplayManagerRPC {
   // Service path.
-  static constexpr char kClientPath[] = "system/display/manager";
+  static constexpr char kClientPath[] = "system/vr/display/manager";
 
   // Op codes.
   enum {
@@ -287,7 +287,7 @@
 
 struct DisplayScreenshotRPC {
   // Service path.
-  static constexpr char kClientPath[] = "system/display/screenshot";
+  static constexpr char kClientPath[] = "system/vr/display/screenshot";
 
   // Op codes.
   enum {
@@ -314,7 +314,7 @@
 
 struct DisplayVSyncRPC {
   // Service path.
-  static constexpr char kClientPath[] = "system/display/vsync";
+  static constexpr char kClientPath[] = "system/vr/display/vsync";
 
   // Op codes.
   enum {
diff --git a/libs/vr/libsensor/include/private/dvr/pose-ipc.h b/libs/vr/libsensor/include/private/dvr/pose-ipc.h
index 908030e..0616d46 100644
--- a/libs/vr/libsensor/include/private/dvr/pose-ipc.h
+++ b/libs/vr/libsensor/include/private/dvr/pose-ipc.h
@@ -7,7 +7,7 @@
 extern "C" {
 #endif
 
-#define DVR_POSE_SERVICE_BASE "system/pose"
+#define DVR_POSE_SERVICE_BASE "system/vr/pose"
 #define DVR_POSE_SERVICE_CLIENT (DVR_POSE_SERVICE_BASE "/client")
 
 enum {
diff --git a/libs/vr/libsensor/include/private/dvr/sensor-ipc.h b/libs/vr/libsensor/include/private/dvr/sensor-ipc.h
index 7e8b9e5..b2ebd95 100644
--- a/libs/vr/libsensor/include/private/dvr/sensor-ipc.h
+++ b/libs/vr/libsensor/include/private/dvr/sensor-ipc.h
@@ -1,7 +1,7 @@
 #ifndef ANDROID_DVR_SENSOR_IPC_H_
 #define ANDROID_DVR_SENSOR_IPC_H_
 
-#define DVR_SENSOR_SERVICE_BASE "system/sensors"
+#define DVR_SENSOR_SERVICE_BASE "system/vr/sensors"
 
 #define DVR_SENSOR_SERVICE_CLIENT (DVR_SENSOR_SERVICE_BASE "/client")