Merge remote-tracking branch master into MHB

* master:
  app: aboot: move display shutdown before uninit
  platform: msm8996: Add QUSB ref clock
  platform: msm_shared: Update SIGDET_LVL for qmp phy
  platform: msm_shared: Update phy sequence for qusb
  platform: msm_shared: Add support for pmic type API
  dev: pmi8994: Add support to read battery voltage from sram
  app: aboot: Add support for tests framework

Change-Id: I78dd0fb4e2006328dbf1449f102dca779d60f164