Move restorecon() of /sys from init to ueventd.

ueventd already does restorecon() for /sys/{block,class,devices}, so
instead of duplicating this effort with init, move the restorecon()
that init does for all of /sys to ueventd.

Bug: 62420036
Change-Id: I6125f8ff5316a0cf45872d1100d089d71802958f
Merged-In: I6125f8ff5316a0cf45872d1100d089d71802958f
Test: Boot sailfish, bullhead
diff --git a/init/ueventd.cpp b/init/ueventd.cpp
index 31e4106..d121647 100644
--- a/init/ueventd.cpp
+++ b/init/ueventd.cpp
@@ -174,9 +174,7 @@
 }
 
 void ColdBoot::DoRestoreCon() {
-    for (const char* path : kRegenerationPaths) {
-        selinux_android_restorecon(path, SELINUX_ANDROID_RESTORECON_RECURSE);
-    }
+    selinux_android_restorecon("/sys", SELINUX_ANDROID_RESTORECON_RECURSE);
     device_handler_.set_skip_restorecon(false);
 }