Adding a new property

Adding a property to store time at which reboot was triggered from
native watchdog.

Test: manual
Bug: 291137901
Change-Id: Ied48c3690d0481fd8b08c9789cbfcb205759876c
diff --git a/private/property_contexts b/private/property_contexts
index 6f5d205..89b39da 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -886,6 +886,9 @@
 init.svc.tombstoned     u:object_r:init_service_status_prop:s0 exact string
 init.svc.zygote         u:object_r:init_service_status_prop:s0 exact string
 
+# Epoch time at which last fatal reboot was performed
+persist.init.svc.last_fatal_reboot_epoch u:object_r:init_service_status_private_prop:s0 exact int
+
 libc.debug.malloc.options u:object_r:libc_debug_prop:s0 exact string
 libc.debug.malloc.program u:object_r:libc_debug_prop:s0 exact string
 libc.debug.hooks.enable   u:object_r:libc_debug_prop:s0 exact string