Merge "Add SOCK_CLOEXEC to NetlinkUtils.netlinkSocketForProto" into main am: 7412936a8c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2929737

Change-Id: Ie20b016e636805c1709c48ba94623b6ed7edec3f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>