Revert^4 "Compiler changes for bitstring based type checks."

Disabled the build time flag. (No image version bump needed.)

Bug: 26687569
Bug: 64692057
Bug: 76420366

This reverts commit 3fbd3ad99fad077e5c760e7238bcd55b07d4c06e.

Change-Id: I5d83c4ce8a7331c435d5155ac6e0ce1c77d60004
diff --git a/compiler/optimizing/instruction_builder.h b/compiler/optimizing/instruction_builder.h
index 4428c53..f788292 100644
--- a/compiler/optimizing/instruction_builder.h
+++ b/compiler/optimizing/instruction_builder.h
@@ -39,6 +39,7 @@
 class HBasicBlockBuilder;
 class Instruction;
 class OptimizingCompilerStats;
+class ScopedObjectAccess;
 class SsaBuilder;
 class VariableSizedHandleScope;
 
@@ -232,6 +233,12 @@
                              bool needs_access_check)
       REQUIRES_SHARED(Locks::mutator_lock_);
 
+  Handle<mirror::Class> ResolveClass(ScopedObjectAccess& soa, dex::TypeIndex type_index)
+      REQUIRES_SHARED(Locks::mutator_lock_);
+
+  bool LoadClassNeedsAccessCheck(Handle<mirror::Class> klass)
+      REQUIRES_SHARED(Locks::mutator_lock_);
+
   // Returns the outer-most compiling method's class.
   ObjPtr<mirror::Class> GetOutermostCompilingClass() const;