Upgrade git from Git-1.9.5-preview20150319 to Git-2.16.2

[petemoore]

Tested on a Windows Server 2012 R2 EC2 instance.

CC @mykmelez @djmitche

[petemoore]

Deploying to worker type win2012r2 now...

[petemoore]

Looks like I missed 11cd9ea - will deploy again...

[petemoore]

All looks good!
https://taskcluster-artifacts.net/S0T7OpH8RievHJs39JZkOA/0/public/logs/live_backing.log

[taskcluster 2018-03-09T18:04:21.613Z] Worker Type (win2012r2) settings:
[taskcluster 2018-03-09T18:04:21.613Z]   {
[taskcluster 2018-03-09T18:04:21.613Z]     "aws": {
[taskcluster 2018-03-09T18:04:21.613Z]       "ami-id": "ami-46213426",
[taskcluster 2018-03-09T18:04:21.613Z]       "availability-zone": "us-west-1c",
[taskcluster 2018-03-09T18:04:21.613Z]       "instance-id": "i-0b0389ff2cfa81889",
[taskcluster 2018-03-09T18:04:21.613Z]       "instance-type": "m3.2xlarge",
[taskcluster 2018-03-09T18:04:21.613Z]       "local-ipv4": "172.31.31.190",
[taskcluster 2018-03-09T18:04:21.613Z]       "public-hostname": "ec2-18-144-72-50.us-west-1.compute.amazonaws.com",
[taskcluster 2018-03-09T18:04:21.613Z]       "public-ipv4": "18.144.72.50"
[taskcluster 2018-03-09T18:04:21.613Z]     },
[taskcluster 2018-03-09T18:04:21.613Z]     "config": {
[taskcluster 2018-03-09T18:04:21.613Z]       "deploymentId": "OhIlw4QGQJaLCTvfTeHb2g",
[taskcluster 2018-03-09T18:04:21.613Z]       "runTasksAsCurrentUser": false
[taskcluster 2018-03-09T18:04:21.613Z]     },
[taskcluster 2018-03-09T18:04:21.613Z]     "generic-worker": {
[taskcluster 2018-03-09T18:04:21.613Z]       "go-arch": "amd64",
[taskcluster 2018-03-09T18:04:21.613Z]       "go-os": "windows",
[taskcluster 2018-03-09T18:04:21.613Z]       "go-version": "go1.9.4",
[taskcluster 2018-03-09T18:04:21.613Z]       "release": "https://github.com/taskcluster/generic-worker/releases/tag/v10.6.1",
[taskcluster 2018-03-09T18:04:21.613Z]       "revision": "3d3da128ade5c22f95a3f72994740ab115d50f63",
[taskcluster 2018-03-09T18:04:21.613Z]       "source": "https://github.com/taskcluster/generic-worker/commits/3d3da128ade5c22f95a3f72994740ab115d50f63",
[taskcluster 2018-03-09T18:04:21.613Z]       "version": "10.6.1"
[taskcluster 2018-03-09T18:04:21.613Z]     },
[taskcluster 2018-03-09T18:04:21.613Z]     "machine-setup": {
[taskcluster 2018-03-09T18:04:21.613Z]       "maintainer": "pmoore@mozilla.com",
[taskcluster 2018-03-09T18:04:21.613Z]       "script": "https://raw.githubusercontent.com/taskcluster/generic-worker/11cd9eac3fb1ee55a15349c1a0a6656118d4d6c3/worker_types/win2012r2/userdata"
[taskcluster 2018-03-09T18:04:21.613Z]     }
[taskcluster 2018-03-09T18:04:21.613Z]   }
[taskcluster 2018-03-09T18:04:21.613Z] Task ID: S0T7OpH8RievHJs39JZkOA
[taskcluster 2018-03-09T18:04:21.613Z] === Task Starting ===
[taskcluster 2018-03-09T18:04:23.550Z] Uploading redirect artifact public/logs/live.log to URL https://ckieqmqaaaawedbggvrsb3qpordy4n4udpioc37csegmzqds.taskcluster-worker.net:60023/log/MhHeMTWXQWmBmI1xurmNkA with mime type "text/plain; charset=utf-8" and expiry 2018-03-09T19:04:13.411Z
[taskcluster 2018-03-09T18:04:23.924Z] Executing command 0: git version

C:\Users\task_1520618570>git version 
git version 2.16.2.windows.1
[taskcluster 2018-03-09T18:04:25.711Z]    Exit Code: 0
[taskcluster 2018-03-09T18:04:25.711Z] Success Code: 0x0
[taskcluster 2018-03-09T18:04:25.711Z]    User Time: 15.625ms
[taskcluster 2018-03-09T18:04:25.711Z]  Kernel Time: 0s
[taskcluster 2018-03-09T18:04:25.711Z]    Wall Time: 1.7799252s
[taskcluster 2018-03-09T18:04:25.711Z]  Peak Memory: 1679360
[taskcluster 2018-03-09T18:04:25.711Z]       Result: SUCCEEDED
[taskcluster 2018-03-09T18:04:25.711Z] === Task Finished ===
[taskcluster 2018-03-09T18:04:25.711Z] Task Duration: 1.7869s
[taskcluster 2018-03-09T18:04:26.239Z] Uploading redirect artifact public/logs/live.log to URL https://queue.taskcluster.net/v1/task/S0T7OpH8RievHJs39JZkOA/runs/0/artifacts/public/logs/live_backing.log with mime type "text/plain; charset=utf-8" and expiry 2019-03-10T18:03:00.616Z