Revert^2 "Add attachEgressIgmpReportFilter to attach BPF program for IGMPv2/v3 reports"

This reverts commit 0419048caf08aef6e119c8d137f5d2af120d212b.

Reason for revert: revert with added proguard.flags for JNI method

Test: atest NetworkStackTests
Change-Id: I795583ba41d60785e99352f6217cca563b927a2f
4 files changed