Merge "Make epaddr_buf a union." am: 903d42b520

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/wifi/+/2241763

Change-Id: I81af59d04641405d76b92bff5097068f2dd47670
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>