Merge "init: set $PATH in second stage init" am: d1bd5f20eb am: 7ff4055bfc am: 4a1a73d195 am: e06df877e0

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1372196

Change-Id: Ic11f78cfcb5d9a017a59175b8b151421358b069e