Start multiple regular masters when using embedded journal
Start multiple regular masters when using embedded journal

Previously, we would start SecondaryMaster processes instead
of AlluxioMaster processes on all hosts in conf/masters
except the first. When using embedded journal, it makes more
sense to start regular AlluxioMaster processes to support
high availability.

pr-link: Alluxio/alluxio#8688
change-id: cid-9e85ca7e89961c059aad451af5928a311979178e
wwjiang007/alluxio,Alluxio/alluxio,EvilMcJerkface/alluxio,wwjiang007/alluxio,EvilMcJerkface/alluxio,maobaolong/alluxio,calvinjia/tachyon,bf8086/alluxio,wwjiang007/alluxio,madanadit/alluxio,calvinjia/tachyon,maobaolong/alluxio,madanadit/alluxio,wwjiang007/alluxio,EvilMcJerkface/alluxio,Alluxio/alluxio,maobaolong/alluxio,Alluxio/alluxio,wwjiang007/alluxio,wwjiang007/alluxio,EvilMcJerkface/alluxio,EvilMcJerkface/alluxio,wwjiang007/alluxio,Alluxio/alluxio,wwjiang007/alluxio,calvinjia/tachyon,bf8086/alluxio,maobaolong/alluxio,calvinjia/tachyon,madanadit/alluxio,maobaolong/alluxio,maobaolong/alluxio,EvilMcJerkface/alluxio,bf8086/alluxio,EvilMcJerkface/alluxio,maobaolong/alluxio,calvinjia/tachyon,bf8086/alluxio,madanadit/alluxio,wwjiang007/alluxio,Alluxio/alluxio,madanadit/alluxio,bf8086/alluxio,calvinjia/tachyon,bf8086/alluxio,calvinjia/tachyon,calvinjia/tachyon,wwjiang007/alluxio,madanadit/alluxio,Alluxio/alluxio,maobaolong/alluxio,Alluxio/alluxio,Alluxio/alluxio,madanadit/alluxio,maobaolong/alluxio,EvilMcJerkface/alluxio,maobaolong/alluxio,bf8086/alluxio,bf8086/alluxio,madanadit/alluxio,Alluxio/alluxio,Alluxio/alluxio