Write the pullup value only if new value applied am: d9682477 am: 24b869af...

Write the pullup value only if new value applied am: d9682477 am: 24b869af am: f9ecf5d9 am: b61da8a0

Original change: https://googleplex-android-review.googlesource.com/c/device/google/redfin/+/18573447



Change-Id: I8986f6ab499e3e55934bc4033d0f66dfef651a63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>