Auto-generate much of the help text for --config to reduce maintenance

Auto-generate much of the help text for --config to reduce maintenance

The list of configs, and the details about all predefined configs are now
built directly from the gPredefinedConfigs array.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2354943002

Committed: https://skia.googlesource.com/skia/+/37e233495ac2cc3c8dcac5f1d4055df161556860

[Brian Osman, 2016-09-20 14:19:34]

Description was changed from

==========
Auto-generate much of the help text for --config to reduce maintenance

The list of configs, and the details about all predefined configs are now
built directly from the gPredefinedConfigs array.

BUG=skia:
==========

to

==========
Auto-generate much of the help text for --config to reduce maintenance

The list of configs, and the details about all predefined configs are now
built directly from the gPredefinedConfigs array.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2354943002
==========

[Brian Osman, 2016-09-20 14:20:54]

The CQ bit was checked by brianosman@google.com to run a CQ dry run

[commit-bot: I haz the power, 2016-09-20 14:21:00]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Brian Osman, 2016-09-20 14:21:28]

brianosman@google.com changed reviewers:
+ bsalomon@google.com, egdaniel@google.com

[bsalomon, 2016-09-20 14:23:00]

lgtm

[Brian Osman, 2016-09-20 14:25:29]

The CQ bit was unchecked by brianosman@google.com

[Brian Osman, 2016-09-20 14:25:34]

The CQ bit was checked by brianosman@google.com

[commit-bot: I haz the power, 2016-09-20 14:25:39]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-20 15:06:32]

Description was changed from

==========
Auto-generate much of the help text for --config to reduce maintenance

The list of configs, and the details about all predefined configs are now
built directly from the gPredefinedConfigs array.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2354943002
==========

to

==========
Auto-generate much of the help text for --config to reduce maintenance

The list of configs, and the details about all predefined configs are now
built directly from the gPredefinedConfigs array.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2354943002

Committed:
https://skia.googlesource.com/skia/+/37e233495ac2cc3c8dcac5f1d4055df161556860
==========

[commit-bot: I haz the power, 2016-09-20 15:06:33]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/37e233495ac2cc3c8dcac5f1d4055df161556860