Issue #19431959: Framework incorrectly assumes that kernel
clock_ticks are 10ms
We now retrieve the time of a jiffy from the kernel, and all CPU
times are now handled in milliseconds.
Issue #19571810: Add per-app breakdown of number of WiFi scans
in batterystats checkin data
Added to the report (the information was already being tracked).
Change-Id: If1702d6b9bcf851704129f1811471e68ed576a5d