add bootchart and systrace support to bootanalyze

- necessary to analyze boot performance issue
- -b for enabling bootchart
- -y for enabling systrace

bug: 38271495
Test: python packages/services/Car/tools/bootanalyze/bootanalyze.py -r -c packages/services/Car/tools/bootanalyze/config.yaml -n 20 -f -e 15 -w 30 -v -y, python packages/services/Car/tools/bootanalyze/bootanalyze.py -r -c packages/services/Car/tools/bootanalyze/config.yaml -n 20 -f -e 15 -w 30 -v -b

Change-Id: Ic5324568dc6e14a92ff88c9bce2cae4631340ce6
2 files changed