Merge "Speed up the payload.bin read in process." am: 1a86d98b6e am: 261de8cf63 am: d60a7bf334

Original change: https://android-review.googlesource.com/c/platform/development/+/1777971

Change-Id: I2b0859351eae1fe3d5e5b88d8f229b4dfb11d2f6