[rtsan] Only print out unique stack traces (#110028)

# Why?

In real-time programming, you often have a process or dispatch loop that
is called many, many, many times. Without de-duplication the user will
be drowning in errors.

Introduce a way to only print the stacks one time only, if they have
been seen before

GitOrigin-RevId: f5b95db4c3ea266489a68a7655425b18ce5805f6
6 files changed