Factor out duplicate code for parsing gap data am: 08690d66

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/24638916



Change-Id: Ife5a0f2d77cebabd754a8390de673f699c09bca4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>