RESULT_ID marked private in `SpeakableTextPresentCheck`

[JJdeGroot]

The Flutter and Compose content result id's are marked as private instead of public like all other result id's in all other checks.

Accessibility-Test-Framework-for-Android/src/main/java/com/google/android/apps/common/testing/accessibility/framework/checks/SpeakableTextPresentCheck.java

Line 56 in c65cab0

private static final int RESULT_ID_UNSUPPORTED_FLUTTER_CONTENT = 7;

Accessibility-Test-Framework-for-Android/src/main/java/com/google/android/apps/common/testing/accessibility/framework/checks/SpeakableTextPresentCheck.java

Line 53 in c65cab0

private static final int RESULT_ID_UNSUPPORTED_COMPOSE_CONTENT = 6;

They should be public to allow for easier checking of resultId's.