Accept boolean as an input of HDivZeroCheck.

All our arithmetic operations accept it.

bug:27624718
Change-Id: I1f6bb95dc77ecb3fb2fcabb35a93b31c524bfa0a
diff --git a/compiler/optimizing/code_generator_mips.cc b/compiler/optimizing/code_generator_mips.cc
index f3c12ef..ba6c16e 100644
--- a/compiler/optimizing/code_generator_mips.cc
+++ b/compiler/optimizing/code_generator_mips.cc
@@ -2530,6 +2530,7 @@
   Primitive::Type type = instruction->GetType();
 
   switch (type) {
+    case Primitive::kPrimBoolean:
     case Primitive::kPrimByte:
     case Primitive::kPrimChar:
     case Primitive::kPrimShort: