Fix launch code for artThrowNoSuchMethodFromCode

Was passing the size of the vtable, rather than the method-idx.

Change-Id: I48932e50fc1b4dc5b78ddedc0d0f2c4851a73519
diff --git a/src/compiler/codegen/arm/MethodCodegenDriver.cc b/src/compiler/codegen/arm/MethodCodegenDriver.cc
index 2c3ee0d..33823ca 100644
--- a/src/compiler/codegen/arm/MethodCodegenDriver.cc
+++ b/src/compiler/codegen/arm/MethodCodegenDriver.cc
@@ -2180,7 +2180,7 @@
                     OFFSETOF_MEMBER(Thread, pThrowNegArraySizeFromCode);
                 break;
             case kArmThrowNoSuchMethod:
-                genRegCopy(cUnit, r0, v1);
+                genRegCopy(cUnit, r0, v2);
                 funcOffset =
                     OFFSETOF_MEMBER(Thread, pThrowNoSuchMethodFromCode);
                 break;