[roll] Roll fuchsia [starnix] Introduce tid_t
This allows to better differentiate between thread and process id.
Also fixed ptrace code that was mixing the 2.
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1282244
Original-Revision: 53b9b3b28d443dc109d71a089cb25ae27b8b5937
GitOrigin-RevId: be6d8a617ed688c611a9fb2a572651a4a07024fe
Change-Id: I8e2806e5ffc4b7b015059c588b23714153450d20
diff --git a/stem b/stem
index 63e0431..40dfbac 100644
--- a/stem
+++ b/stem
@@ -7,7 +7,7 @@
manifest="manifests/platform"
root=""
remote="https://fuchsia.googlesource.com/fuchsia"
- revision="e2552ccf5c2b8eaaf3e396e625c886c2cd5d5d53"/>
+ revision="53b9b3b28d443dc109d71a089cb25ae27b8b5937"/>
</imports>
<projects>
<project name="cobalt"