[ Merge of http://go/wvgerrit/86243 ] Sorted the case-return blocks in the error map function. Used two iterations of a bucket sort algorithm. First by the case label, then a binary sort on whether the return value is in the `android` namespace or not. There are some exception (such as the first and last block). The majority of the sorting was done using a script: https://paste.googleplex.com/6390453727395840 Bug: 34648626 Test: Linux unit tests and compiled on Android Change-Id: I524e0d0d93df8b0a3dc1155980eec22cf43156b6