Fix HNewArray with unresolved primitive array type.

And enable test 920-objects that was crashing because
of this bug.

Test: testrunner.py --host --jit-on-first-use -t 920
Test: testrunner.py --host --optimizing
Test: m test-art-host-gtest
Bug: 117638896
Change-Id: I47dc893b121c82de537b3147c86d37a6eecf2d62
diff --git a/compiler/optimizing/instruction_builder.h b/compiler/optimizing/instruction_builder.h
index af1b86c..2ab2139 100644
--- a/compiler/optimizing/instruction_builder.h
+++ b/compiler/optimizing/instruction_builder.h
@@ -179,6 +179,9 @@
                          uint32_t call_site_idx,
                          const InstructionOperands& operands);
 
+  // Builds a new array node.
+  HNewArray* BuildNewArray(uint32_t dex_pc, dex::TypeIndex type_index, HInstruction* length);
+
   // Builds a new array node and the instructions that fill it.
   HNewArray* BuildFilledNewArray(uint32_t dex_pc,
                                  dex::TypeIndex type_index,