Start update_verifier in cache group

Start update_verifier in cache group to avoid dac_override

Bug: 30020920
Change-Id: I227b4a0e1c07e7b9bf209b432e9db02275ffe660
Test: mma
(cherry picked from commit 1e4635f0a8c307592b015476bc69ee2da28c41af)
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 4c49791..4e766bb 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -566,7 +566,7 @@
 
 on nonencrypted
     # A/B update verifier that marks a successful boot.
-    exec - root -- /system/bin/update_verifier nonencrypted
+    exec - root cache -- /system/bin/update_verifier nonencrypted
     class_start main
     class_start late_start
 
@@ -589,12 +589,12 @@
 
 on property:vold.decrypt=trigger_restart_min_framework
     # A/B update verifier that marks a successful boot.
-    exec - root -- /system/bin/update_verifier trigger_restart_min_framework
+    exec - root cache -- /system/bin/update_verifier trigger_restart_min_framework
     class_start main
 
 on property:vold.decrypt=trigger_restart_framework
     # A/B update verifier that marks a successful boot.
-    exec - root -- /system/bin/update_verifier trigger_restart_framework
+    exec - root cache -- /system/bin/update_verifier trigger_restart_framework
     class_start main
     class_start late_start