Remove CONNECTIVITY_CHANGE_DELAY and friends.

Once optimistic addresses become useable upon kernel notification
there will be no need for a connectivity delay.

This change requires kernel changes like:
    https://android-review.googlesource.com/#/c/109934

Bug: 17769720
Change-Id: I8510c540aa655aad6a82ee322d591331357ee272
2 files changed
tree: 2c13c93a4a4bd7fadd8fffaeef3a768b0414837e
  1. core/
  2. services/
  3. tests/