catch reported runtime exceptions thrown by keystore and re-throw as checked exceptions to prevent app from crashing
catch reported runtime exceptions thrown by keystore and re-throw as checked exceptions to prevent app from crashing

address comments

AzureAD/azure-activedirectory-library-for-android,thewulf7/adal-extended,iambmelt/azure-activedirectory-library-for-android,thewulf7/adal-extended,iambmelt/azure-activedirectory-library-for-android,AzureAD/azure-activedirectory-library-for-android