Adding email notification.
Adding email notification.

Summary: The email notifications needs to be at command level and the job level.
Adding command level notification.

Test Plan: Run command manually

Reviewers: igor sdong

CC: leveldb@

Task ID: #6968635

Blame Rev:

geraldoandradee/rocksdb,kaschaeffer/rocksdb,bbiao/rocksdb,vmx/rocksdb,bbiao/rocksdb,JohnPJenkins/rocksdb,wat-ze-hex/rocksdb,biddyweb/rocksdb,ryneli/rocksdb,wat-ze-hex/rocksdb,Vaisman/rocksdb,wenduo/rocksdb,tsheasha/rocksdb,luckywhu/rocksdb,kaschaeffer/rocksdb,flabby/rocksdb,geraldoandradee/rocksdb,biddyweb/rocksdb,jalexanderqed/rocksdb,JohnPJenkins/rocksdb,ryneli/rocksdb,caijieming-baidu/rocksdb,wlqGit/rocksdb,wlqGit/rocksdb,facebook/rocksdb,hobinyoon/rocksdb,bbiao/rocksdb,bbiao/rocksdb,JoeWoo/rocksdb,JackLian/rocksdb,caijieming-baidu/rocksdb,biddyweb/rocksdb,Andymic/rocksdb,SunguckLee/RocksDB,jalexanderqed/rocksdb,RyanTech/rocksdb,biddyweb/rocksdb,SunguckLee/RocksDB,wlqGit/rocksdb,flabby/rocksdb,norton/rocksdb,luckywhu/rocksdb,RyanTech/rocksdb,ryneli/rocksdb,ryneli/rocksdb,Vaisman/rocksdb,OverlordQ/rocksdb,jalexanderqed/rocksdb,facebook/rocksdb,tsheasha/rocksdb,bbiao/rocksdb,JohnPJenkins/rocksdb,RyanTech/rocksdb,luckywhu/rocksdb,siddhartharay007/rocksdb,geraldoandradee/rocksdb,JohnPJenkins/rocksdb,vmx/rocksdb,Andymic/rocksdb,JoeWoo/rocksdb,biddyweb/rocksdb,vmx/rocksdb,siddhartharay007/rocksdb,caijieming-baidu/rocksdb,flabby/rocksdb,tsheasha/rocksdb,OverlordQ/rocksdb,wat-ze-hex/rocksdb,wat-ze-hex/rocksdb,hobinyoon/rocksdb,RyanTech/rocksdb,wlqGit/rocksdb,Andymic/rocksdb,norton/rocksdb,OverlordQ/rocksdb,JackLian/rocksdb,caijieming-baidu/rocksdb,norton/rocksdb,Vaisman/rocksdb,wenduo/rocksdb,flabby/rocksdb,SunguckLee/RocksDB,flabby/rocksdb,luckywhu/rocksdb,jalexanderqed/rocksdb,JackLian/rocksdb,OverlordQ/rocksdb,JoeWoo/rocksdb,wat-ze-hex/rocksdb,norton/rocksdb,geraldoandradee/rocksdb,vmx/rocksdb,wenduo/rocksdb,jalexanderqed/rocksdb,tsheasha/rocksdb,Vaisman/rocksdb,JoeWoo/rocksdb,JohnPJenkins/rocksdb,hobinyoon/rocksdb,bbiao/rocksdb,facebook/rocksdb,wenduo/rocksdb,luckywhu/rocksdb,hobinyoon/rocksdb,tsheasha/rocksdb,siddhartharay007/rocksdb,OverlordQ/rocksdb,JackLian/rocksdb,hobinyoon/rocksdb,hobinyoon/rocksdb,bbiao/rocksdb,biddyweb/rocksdb,facebook/rocksdb,caijieming-baidu/rocksdb,Vaisman/rocksdb,facebook/rocksdb,wlqGit/rocksdb,luckywhu/rocksdb,kaschaeffer/rocksdb,Vaisman/rocksdb,JohnPJenkins/rocksdb,facebook/rocksdb,siddhartharay007/rocksdb,bbiao/rocksdb,caijieming-baidu/rocksdb,wat-ze-hex/rocksdb,JackLian/rocksdb,luckywhu/rocksdb,Andymic/rocksdb,SunguckLee/RocksDB,RyanTech/rocksdb,JoeWoo/rocksdb,RyanTech/rocksdb,SunguckLee/RocksDB,tsheasha/rocksdb,wenduo/rocksdb,jalexanderqed/rocksdb,facebook/rocksdb,SunguckLee/RocksDB,siddhartharay007/rocksdb,tsheasha/rocksdb,Andymic/rocksdb,geraldoandradee/rocksdb,wat-ze-hex/rocksdb,JohnPJenkins/rocksdb,hobinyoon/rocksdb,kaschaeffer/rocksdb,geraldoandradee/rocksdb,kaschaeffer/rocksdb,ryneli/rocksdb,ryneli/rocksdb,kaschaeffer/rocksdb,flabby/rocksdb,vmx/rocksdb,flabby/rocksdb,tsheasha/rocksdb,ryneli/rocksdb,OverlordQ/rocksdb,Vaisman/rocksdb,norton/rocksdb,wenduo/rocksdb,Andymic/rocksdb,facebook/rocksdb,vmx/rocksdb,caijieming-baidu/rocksdb,Andymic/rocksdb,norton/rocksdb,OverlordQ/rocksdb,JoeWoo/rocksdb,JoeWoo/rocksdb,norton/rocksdb,geraldoandradee/rocksdb,siddhartharay007/rocksdb,Andymic/rocksdb,norton/rocksdb,wat-ze-hex/rocksdb,siddhartharay007/rocksdb,RyanTech/rocksdb,biddyweb/rocksdb,JackLian/rocksdb,vmx/rocksdb,SunguckLee/RocksDB,SunguckLee/RocksDB,wlqGit/rocksdb,jalexanderqed/rocksdb,JackLian/rocksdb,wenduo/rocksdb,wenduo/rocksdb,wlqGit/rocksdb,kaschaeffer/rocksdb,hobinyoon/rocksdb,vmx/rocksdb