Use thb_hda value to find charger type and split vskin-charge into
different categories on basis of charger type.
For each category if charger not active, store time in bucket 0 and if
active store residency in higher buckets.
Thresholds: [-200, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55]
Bug: 341872098
Test: Push locally and verify stats by connecting to different chargers
Change-Id: I15738686a0a6b263ab4b3f2caf1a22d7c31c4518
754a1ba418