debugd: update systrace events

Add sched:sched_wakeup so we can see delays from wakeup to run.
Drop deprecated power events and replace with power:cpu_idle and
power:cpu_frequency.

While here do some minor cleanups (old ref to $trace_events, spacing).

BUG=chromium-os:27809
TEST=collect trace data and check contents for addition/different events

Change-Id: I8d5d22cb5fde382382ac2f5c9f24c2d849e77b72
1 file changed
tree: f15ad236d25d889a9ab6a028eb190c266e57399e
  1. doc/
  2. share/
  3. src/
  4. .gitignore
  5. Makefile
  6. OWNERS
  7. README