Merge "[MS14] Move isPersistable to NetworkPolicy" am: f421f1dd68 am: 3c4a90eda1 am: 3dd00d784f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1925762

Change-Id: Iff7f2e8f21941603daa8479d78024caddff79325