Replace 'cpuset' init option with 'writepid'

The 'cpuset' option is not being upstreamed as expected and instead
we should be using the more generic 'writepid' option with the full
cpuset file path.

Bug: 35313295
Test: None
Change-Id: I451679192bad664b253b07942d78fb288980940f
diff --git a/services/vr/bufferhubd/bufferhubd.rc b/services/vr/bufferhubd/bufferhubd.rc
index ceedf1a..65b7293 100644
--- a/services/vr/bufferhubd/bufferhubd.rc
+++ b/services/vr/bufferhubd/bufferhubd.rc
@@ -2,5 +2,5 @@
   class core
   user system
   group system
-  cpuset /
+  writepid /dev/cpuset/tasks
 
diff --git a/services/vr/performanced/performanced.rc b/services/vr/performanced/performanced.rc
index 754c97f..5042982 100644
--- a/services/vr/performanced/performanced.rc
+++ b/services/vr/performanced/performanced.rc
@@ -2,4 +2,4 @@
   class core
   user root
   group system readproc
-  cpuset /
+  writepid /dev/cpuset/tasks
diff --git a/services/vr/sensord/sensord.rc b/services/vr/sensord/sensord.rc
index d868a7e..f8d28fd 100644
--- a/services/vr/sensord/sensord.rc
+++ b/services/vr/sensord/sensord.rc
@@ -6,4 +6,4 @@
   class core
   user system
   group system camera sdcard_rw
-  cpuset /system
+  writepid /dev/cpuset/system/tasks
diff --git a/services/vr/virtual_touchpad/virtual_touchpad.rc b/services/vr/virtual_touchpad/virtual_touchpad.rc
index b4f9f00..99315ef 100644
--- a/services/vr/virtual_touchpad/virtual_touchpad.rc
+++ b/services/vr/virtual_touchpad/virtual_touchpad.rc
@@ -2,4 +2,4 @@
   class core
   user system
   group system input
-  cpuset /system
+  writepid /dev/cpuset/system/tasks
diff --git a/services/vr/vr_window_manager/composer_view/vr_composer_view.rc b/services/vr/vr_window_manager/composer_view/vr_composer_view.rc
index abb5265..bd9982b 100644
--- a/services/vr/vr_window_manager/composer_view/vr_composer_view.rc
+++ b/services/vr/vr_window_manager/composer_view/vr_composer_view.rc
@@ -2,4 +2,4 @@
   class core
   user system
   group system graphics
-  cpuset /system
+  writepid /dev/cpuset/system/tasks
diff --git a/services/vr/vr_window_manager/vr_wm.rc b/services/vr/vr_window_manager/vr_wm.rc
index 951515b..e515bb7 100644
--- a/services/vr/vr_window_manager/vr_wm.rc
+++ b/services/vr/vr_window_manager/vr_wm.rc
@@ -2,4 +2,4 @@
   class core
   user system
   group system graphics input
-  cpuset /system
+  writepid /dev/cpuset/system/tasks