[analyzer] SValBuilder should have an easy access to AnalyzerOptions

`SVB.getStateManager().getOwningEngine().getAnalysisManager().getAnalyzerOptions()`
is quite a mouthful and might involve a few pointer indirections to get
such a simple thing like an analyzer option.

This patch introduces an `AnalyzerOptions` reference to the `SValBuilder`
abstract class, while refactors a few cases to use this /simpler/ accessor.

Reviewed By: martong, Szelethus

Differential Revision: https://reviews.llvm.org/D108824