update flag so that keyboards starts with an upper case letter

[epicadk]

IMPORTANT: All PRs must be linked to an issue (except for extremely trivial and straightforward changes).

Fixes #1176

Description
Clear and concise code change description.

Alternative(s) considered
Have you considered any alternatives? And if so, why have you chosen the approach in this PR?
The other options are we CAP_WORDS and CAP_CHARACTERS.

I think we can have CAP_WORDS for singleline and CAP_SENTENCES for Multiline : /.

Type
Choose one: Feature

Screenshots (if applicable)

Checklist

• I have read and acknowledged the Code of conduct
• I have read the Contributing page
• I have signed the Google Individual CLA, or I am covered by my company's Corporate CLA
• I have discussed my proposed solution with code owners in the linked issue(s) and we have agreed upon the general approach
• I have run ./gradlew spotlessApply and ./gradlew spotlessCheck to check my code follows the style guide of this project
• I have run ./gradlew check and ./gradlew connectedCheck to test my changes locally
• I have built and run the reference app(s) to verify my change fixes the issue and/or does not break the reference app(s)

[codecov]

Codecov Report

Merging #1177 (11a8c65) into master (fa51f69) will increase coverage by 0.01%.
The diff coverage is 87.50%.

@@             Coverage Diff              @@
##             master    #1177      +/-   ##
============================================
+ Coverage     84.58%   84.59%   +0.01%     
- Complexity      626      627       +1     
============================================
  Files           135      135              
  Lines         10347    10354       +7     
  Branches        767      766       -1     
============================================
+ Hits           8752     8759       +7     
- Misses         1212     1213       +1     
+ Partials        383      382       -1     

Impacted Files	Coverage Δ
...droid/fhir/db/impl/entities/PositionIndexEntity.kt	0.00% <0.00%> (ø)
...le/android/fhir/db/impl/entities/UriIndexEntity.kt	0.00% <0.00%> (ø)
...com/google/android/fhir/db/impl/dao/ResourceDao.kt	83.18% <85.71%> (+0.61%)	⬆️
...estionnaireItemEditTextStringViewHolderDelegate.kt	88.88% <100.00%> (+3.17%)	⬆️
...e/android/fhir/db/impl/entities/DateIndexEntity.kt	100.00% <100.00%> (ø)
...droid/fhir/db/impl/entities/DateTimeIndexEntity.kt	100.00% <100.00%> (ø)
...android/fhir/db/impl/entities/NumberIndexEntity.kt	100.00% <100.00%> (ø)
...droid/fhir/db/impl/entities/QuantityIndexEntity.kt	100.00% <100.00%> (ø)
...roid/fhir/db/impl/entities/ReferenceIndexEntity.kt	100.00% <100.00%> (ø)
...le/android/fhir/db/impl/entities/ResourceEntity.kt	100.00% <100.00%> (ø)
... and 6 more

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[epicadk]

@jingtang10 sorry forgot to or the input class