CHANGELOG: CPU cycles in stdlib

Change-Id: I2274d833621672737baa20d10065909093e61bff
diff --git a/CHANGELOG b/CHANGELOG
index d117e7d..ae94f5f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,11 @@
 Unreleased:
   Tracing service and probes:
     *
+  SQL Standard library:
+    * Added megacycles support to CPU package. Added tables:
+      `cpu_cycles_per_process`, `cpu_cycles_per_thread` and
+      `cpu_cycles_per_cpu`.
+    * Migrated `sched.utilization` package to `cpu.utilization`.
   Trace Processor:
     * Added "time to initial display" and "time to full display" metrics to
       the Android startup metric.