Merge "move convenience methods from BpfMap to IBpfMap" into main am: ad3badf7a8

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2802923

Change-Id: I3ca069a906a3dd80affd91a034f84078fcca27d1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>