Merge "Add zygote native fork loop" am: 43a9a8089f am: dd81ed70c7

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1540230

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I11e1abaa50306262ec5b2a19d95b481ef64987cc