Put inlined ArtMethod pointer in stack maps.

Currently done for JIT. Can be extended for AOT and inlined boot
image methods.

Also refactor the lookup of a inlined method at runtime to not
rely on the dex cache, but look at the class loader tables.

bug: 30933338
test: test-art-host, test-art-target
Change-Id: I58bd4d763b82ab8ca3023742835ac388671d1794
diff --git a/compiler/optimizing/code_generator.cc b/compiler/optimizing/code_generator.cc
index f00648f..8ee0a6b 100644
--- a/compiler/optimizing/code_generator.cc
+++ b/compiler/optimizing/code_generator.cc
@@ -927,10 +927,10 @@
   if (environment->GetParent() != nullptr) {
     // We emit the parent environment first.
     EmitEnvironment(environment->GetParent(), slow_path);
-    stack_map_stream_.BeginInlineInfoEntry(environment->GetMethodIdx(),
+    stack_map_stream_.BeginInlineInfoEntry(environment->GetMethod(),
                                            environment->GetDexPc(),
-                                           environment->GetInvokeType(),
-                                           environment->Size());
+                                           environment->Size(),
+                                           &graph_->GetDexFile());
   }
 
   // Walk over the environment, and record the location of dex registers.