Move implementations from class_root.h to -inl.h .

Make it possible to include the definition of enum ClassRoot
without pulling in a lot of other headers.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Test: aosp_taimen-userdebug boots.
Change-Id: Ic90fdd70bfe0c5428a5c9a0d7901ea7e15b03488
diff --git a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
index 55be920..5ac9152 100644
--- a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
@@ -19,7 +19,7 @@
 #include "base/enums.h"
 #include "callee_save_frame.h"
 #include "common_throws.h"
-#include "class_root.h"
+#include "class_root-inl.h"
 #include "debug_print.h"
 #include "debugger.h"
 #include "dex/dex_file-inl.h"