export dumpstatez into stable_properties

Vendor might want to pause/resume some operations while a bugreport is captured
so that we need to export dumpstatez into stable_properties.h for vendor to get
property event when dumpstatez launch.

Test: confirmed manually with "adb bugreport"
Bug: 117536084
Change-Id: Ib743c5e59ca20cc44470110c814d85e4cbb90c0c
Signed-off-by: Minchan Kim <minchan@google.com>
diff --git a/init/stable_properties.h b/init/stable_properties.h
index 4972d10..baef833 100644
--- a/init/stable_properties.h
+++ b/init/stable_properties.h
@@ -31,6 +31,7 @@
 static const std::set<std::string> kExportedActionableProperties = {
     "dev.bootcomplete",
     "init.svc.console",
+    "init.svc.dumpstatez",
     "init.svc.mediadrm",
     "init.svc.surfaceflinger",
     "init.svc.zygote",