Merge "Load persist props before starting apexd." am: b3aa2c46 am:...

Merge "Load persist props before starting apexd." am: b3aa2c46 am: 54e1b0e1 am: 62a3ebb4 am: 51002776

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1871746

Change-Id: I52a3dad583a869bfe99d35d4e3f2e47a9c2a02cc