Include commands and directory in run output

[briandealwis]

To help diagnose issues like #5249, include the command and directory in the integration/skaffold/helper.go Run*():

time="2021-01-20T14:27:42-05:00" level=info msg="Running [skaffold diagnose] in examples/bazel"
time="2021-01-20T14:28:45-05:00" level=info msg="Ran [skaffold diagnose] in 1 minute 2.992 seconds"

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Not to mention odd output like the following:

time="2021-01-20T17:21:23Z" level=info msg="[skaffold build --default-repo gcr.io/k8s-skaffold --profile kustomize]"
time="2021-01-20T17:21:23Z" level=info msg="Ran in 2 minutes 7.497 seconds"
time="2021-01-20T17:21:27Z" level=info msg="Ran in 4.173 seconds"

[codecov]

Codecov Report

Merging #5254 (0f2ad60) into master (dafb415) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5254      +/-   ##
==========================================
+ Coverage   71.87%   71.90%   +0.02%     
==========================================
  Files         388      388              
  Lines       14043    14043              
==========================================
+ Hits        10094    10098       +4     
+ Misses       3205     3203       -2     
+ Partials      744      742       -2     

Impacted Files	Coverage Δ
pkg/skaffold/util/tar.go	56.00% <0.00%> (+5.33%)	⬆️

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