Hash-based DexCache methods array.

Total boot*.art size for aosp_angler-userdebug:
  - arm64:
    - before: 11603968
    - after: 10129408 (-1.4MiB, -12.7%)
  - arm:
    - before: 8626176
    - after: 7888896 (-0.7MiB, -8.5%)

Test: m test-art-host-gtest
Test: testrunner.py --host
Test: Nexus 6P boots.
Test: testrunner.py --target
Test: Build aosp_mips64-eng
Bug: 30627598
Change-Id: I7f858605de5f074cbd7f0d9c4c072fbd44aee28f
diff --git a/compiler/dex/inline_method_analyser.cc b/compiler/dex/inline_method_analyser.cc
index 2572291..e5ff7fc 100644
--- a/compiler/dex/inline_method_analyser.cc
+++ b/compiler/dex/inline_method_analyser.cc
@@ -145,9 +145,8 @@
   DCHECK_EQ(invoke_direct->VRegC_35c(),
             method->GetCodeItem()->registers_size_ - method->GetCodeItem()->ins_size_);
   uint32_t method_index = invoke_direct->VRegB_35c();
-  PointerSize pointer_size = Runtime::Current()->GetClassLinker()->GetImagePointerSize();
-  ArtMethod* target_method =
-      method->GetDexCache()->GetResolvedMethod(method_index, pointer_size);
+  ArtMethod* target_method = Runtime::Current()->GetClassLinker()->LookupResolvedMethod(
+      method_index, method->GetDexCache(), method->GetClassLoader());
   if (kIsDebugBuild && target_method != nullptr) {
     CHECK(!target_method->IsStatic());
     CHECK(target_method->IsConstructor());