Merge tag 'LA.UM.9.12.r1-14100.01-SMxx50.QSSI13.0' of https://git.codelinaro.org/clo/la/platform/hardware/qcom/display into lineage-20.0-caf-sm8250

"LA.UM.9.12.r1-14100.01-SMxx50.QSSI13.0"

* tag 'LA.UM.9.12.r1-14100.01-SMxx50.QSSI13.0' of https://git.codelinaro.org/clo/la/platform/hardware/qcom/display:
  sdm: avoid displaying stale frame when switch power mode.
  Reset layer changes & layer request when layer set empty
  gralloc: add native HAL_PIXEL_FORMAT_NV21_ZSL format support
  sdm: Skip CRTC_SET_MODE on seamless transition

Change-Id: I60e2eb9aee94f0560cdc7886ea8420c0a45d58fc