perfetto: Add guardrails to perfetto_cmd

Add two guardrails to perfetto_cmd:
1) Can't trace if the last trace is less than 5mins ago.
2) Can't upload more than 10mb in a 24h period.

Bug: 73052379
Bug: 73053053
Change-Id: I6742b52510ae7a4e8a2b5c41648dd94566a37b33
diff --git a/BUILD.gn b/BUILD.gn
index ea02315..959ec28 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -60,6 +60,7 @@
     "gn:gtest_main",
     "src/base:unittests",
     "src/ipc:unittests",
+    "src/perfetto_cmd:unittests",
     "src/protozero:unittests",
     "src/traced/probes/filesystem:unittests",
     "src/tracing:unittests",