Sort NVP supported extensions alphabetically

It is easier to read, and makes diff's smaller

Change-Id: I90b6ab566fbc720c4656b70ccbe10c6cc6338d82
multi-vendor-support-for-lbaas

BluePrint: multi-vendor-support-for-lbaas-step0

This is the first stage in a 3 stages BP

Change-Id: Ic5b2c46c5a74338c3fa14cc991f4420cabd7798e
Merge "Sort NVP supported extensions alphabetically"
Merge "multi-vendor-support-for-lbaas"