Write the pullup value only if new value applied am: d9682477 am: 7f0e10a1...

Write the pullup value only if new value applied am: d9682477 am: 7f0e10a1 am: e2ef4934 am: df192e76

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



Change-Id: Ie327f208fd5235f7feb1b121153fda7083928987
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>