Merge "Add BpfDump.toBase64EncodedString to dump raw map" am: 12ef00507f

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/2132187

Change-Id: I4ab93e0d26d1ff89baa291589db34d2c029570f3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>