Merge the LA.UM.9.6.2.r1-04800-89xx.0 release tag

"LA.UM.9.6.2.r1-04800-89xx.0"

* tag 'LA.UM.9.6.2.r1-04800-89xx.0':
  platform: msm_shared: Update correct Slot bootup status
  platform: msm_shared: Add slot_is_sucessful check, before switch_slot
  platform: Fixed the possible OOB issue when getting emmc's cmdline
  platform: avb: Fixed avb access an invalid buffer
  platform: msm_shared: avb: Change in rollback index updation
  app: aboot: Corrected check to prevent OOB Read in loading splash image
  Add support for Virtual A/B
  Add support for Virtual A/B
  platform: msm_shared: Fixed the compilation error for mmc
  platform: msm_shared: Fix the OOB error when updating GPT partition

Change-Id: I2f383f3f00861c967e1481dea6522c7ebeb38b25