Update CodeEditor to master

Change-Id: I562601b7ee0d3efa6684cb084825e39b299e8368
Bump E3Experiments to master to log without split test.

Change-Id: If724e96f50582e2dd88dce42b5ab58d429a82417
Merge "Update CodeEditor to master" into wmf/1.21wmf9
Merge "Bump E3Experiments to master to log without split test." into wmf/1.21wmf9