fix include activity and enum camelcase

[tomlm]

fix #3220
fix #3228

• rename IncludeActivity => activityProcessed with default value of true, and dialog actions to always set TurnPath.ACTIVITYPROCESSED when passing focus to another dialog
• fixed unit tests around ActivityProcessed behavior
• added appropriate attributes and updated .schema and dialog files for enums

[coveralls]

Pull Request Test Coverage Report for Build 98923

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 26 unchanged lines in 5 files lost coverage.
• Overall coverage increased (+0.003%) to 78.1%

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Files with Coverage Reduction	New Missed Lines	%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/SequenceContext.cs	1	52.78%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/TriggerConditions/OnIntent.cs	1	93.88%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/BaseInvokeDialog.cs	3	87.5%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Input/NumberInput.cs	6	81.25%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/EditArray.cs	15	73.44%

Totals
Change from base Build 98911:	0.003%
Covered Lines:	14283
Relevant Lines:	18288

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💛 - Coveralls

[fuselabs]

✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.AI.Luis.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.AI.QnA.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.ApplicationInsights.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.Azure.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.Dialogs.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.Integration.ApplicationInsights.Core.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.Integration.AspNet.Core.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.TemplateManager.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Builder.Testing.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Configuration.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Connector.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Schema.dll compared against version 4.6.3
✔️ No Binary Compatibility issues for Microsoft.Bot.Streaming.dll compared against version 4.6.3