Update native GC roots page-by-page am: 606bd949a0 am: 3b1fb9e80f

Original change: https://android-review.googlesource.com/c/platform/art/+/2105105

Change-Id: Ic0537730c92e742ca6f9de14113b6936c6a6b0cf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>