Revert "Add bionic vm_sockets header" am: 30b6a7126c am: b8844022c7 am: a3cd906664

Original change: https://android-review.googlesource.com/c/platform/external/grpc-grpc/+/2861408

Change-Id: Ibaa954d718f028f3e56c82b488da11199298cb47
Signed-off-by: Automerger Merge Worker <[email protected]>