Fix pmd

Author: kreedula

msal/src/main/java/com/microsoft/identity/client/internal/controllers/BrokerMsalController.java

@@ -256,7 +256,7 @@ private <T extends CommandParameters, U> U invokeBrokerOperation(@NonNull final
     // The order matters.
     private List<BrokerBaseStrategy> getStrategies() {
         final List<BrokerBaseStrategy> strategies = new ArrayList<>();
-        final StringBuilder sb = new StringBuilder();
+        final StringBuilder sb = new StringBuilder(100);
         sb.append("Broker Strategies added : ");
 
         if(isBrokerContentProviderAvailable()){
@@ -623,4 +623,4 @@ private boolean isBrokerContentProviderAvailable() {
         return false;
 
     }
-}
+}