Merge "Restrict visibility of internal classes/members within `le_scan` to...

Merge "Restrict visibility of internal classes/members within `le_scan` to improve encapsulation" into main am: af5d3b86

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3498334



Change-Id: I140e418dffbde22f7c91bef36ff61e5e9570963a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>