[automerge] Only handle saveToStore from the WifiNetworkSuggestionsManager 2p: 5d04b9103c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Wifi/+/20290615

Bug: 245299920
Change-Id: I879cbb27410e217389944c0597c10c0ac687ce95
Merged-In: I8fd038c41399f9f04dda278a6e67b8a5d1d42e44