Move perfetto related code to it's own library (#933)

Summary:
Pull Request resolved: #933

Part of a larger refactor to make monarchs trace generation open sourcable as part of the main monarch build.

Reviewed By: eliothedeman

Differential Revision: D78667383

fbshipit-source-id: 77b27c9df418158969d68fa2990eb4bd09c484ea

Author: benjipelletier

monarch_perfetto_trace/Cargo.toml

@@ -0,0 +1,15 @@
+# @generated by autocargo from //monarch/monarch_perfetto_trace:monarch_perfetto_trace
+
+[package]
+name = "monarch_perfetto_trace"
+version = "0.0.0"
+authors = ["Meta"]
+edition = "2021"
+license = "BSD-3-Clause"
+
+[dependencies]
+anyhow = "1.0.98"
+protobuf = "3.7.2"
+serde = { version = "1.0.219", features = ["derive", "rc"] }
+serde_json = { version = "1.0.140", features = ["alloc", "float_roundtrip", "raw_value", "unbounded_depth"] }
+valuable = { version = "0.1", features = ["derive"] }