support starting tidb-server with -advertise-address parameter (#1859)

[sre-bot]

cherry-pick #1859 to release-1.1

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What problem does this PR solve?

Closes #1439

v2.1.0 and later versions have this argument:
https://github.com/pingcap/tidb/blob/v2.1.0/config/config.go#L48

What is changed and how does it work?

start tidb-server with -advertise-address parameter, refer to pingcap/tidb#7078.

Check List

Tests

• Unit test
• E2E test
• Stability test
• Manual test (add detailed scripts or steps below)

When EnableAdvertiseAddress is set to false:

/ # ps
PID   USER     TIME  COMMAND
    1 root      0:00 /tidb-server --store=tikv --host=0.0.0.0 --path=db-pd:2379 --config=/etc/tidb/tidb.toml --log-slow-query=/var/log/tidb/slowlog

When EnableAdvertiseAddress is set to true:

# kubectl exec -it db-tidb-0 sh -n tidb10 -c tidb
/ # ps
PID   USER     TIME  COMMAND
    1 root      0:01 /tidb-server --store=tikv --advertise-address=db-tidb-0.db-tidb-peer.tidb10.svc --host=0.0.0.0 --path=db-pd:2379 --config=/etc/tidb/tidb

• No code

Code changes

• Has Go code change

Related changes

• Need to cherry-pick to the release branch
  1.1
• Need to update the documentation

Does this PR introduce a user-facing change?:

support starting tidb-server with `-advertise-address` parameter