ART: Move JNI files to runtime/jni/ .

Test: Rely on TreeHugger.
Change-Id: I9cae11191ef1567ae9453be498882a7767285140
diff --git a/test/136-daemon-jni-shutdown/daemon_jni_shutdown.cc b/test/136-daemon-jni-shutdown/daemon_jni_shutdown.cc
index f01b825..d9ade93 100644
--- a/test/136-daemon-jni-shutdown/daemon_jni_shutdown.cc
+++ b/test/136-daemon-jni-shutdown/daemon_jni_shutdown.cc
@@ -19,8 +19,8 @@
 
 #include "base/casts.h"
 #include "base/macros.h"
-#include "java_vm_ext.h"
-#include "jni_env_ext.h"
+#include "jni/java_vm_ext.h"
+#include "jni/jni_env_ext.h"
 #include "thread-current-inl.h"
 
 namespace art {
diff --git a/test/1947-breakpoint-redefine-deopt/check_deopt.cc b/test/1947-breakpoint-redefine-deopt/check_deopt.cc
index b40b201..667d8be 100644
--- a/test/1947-breakpoint-redefine-deopt/check_deopt.cc
+++ b/test/1947-breakpoint-redefine-deopt/check_deopt.cc
@@ -16,7 +16,7 @@
 
 #include "jni.h"
 #include "art_method-inl.h"
-#include "jni_internal.h"
+#include "jni/jni_internal.h"
 #include "instrumentation.h"
 #include "scoped_thread_state_change-inl.h"
 
diff --git a/test/708-jit-cache-churn/jit.cc b/test/708-jit-cache-churn/jit.cc
index 1284a87..1b80eb3 100644
--- a/test/708-jit-cache-churn/jit.cc
+++ b/test/708-jit-cache-churn/jit.cc
@@ -19,7 +19,7 @@
 #include "art_method.h"
 #include "jit/jit.h"
 #include "jit/jit_code_cache.h"
-#include "jni_internal.h"
+#include "jni/jni_internal.h"
 #include "mirror/class.h"
 #include "runtime.h"
 #include "scoped_thread_state_change-inl.h"
diff --git a/test/900-hello-plugin/load_unload.cc b/test/900-hello-plugin/load_unload.cc
index cab0abf..7121d10 100644
--- a/test/900-hello-plugin/load_unload.cc
+++ b/test/900-hello-plugin/load_unload.cc
@@ -21,7 +21,7 @@
 #include <android-base/macros.h>
 
 #include "art_method-inl.h"
-#include "java_vm_ext.h"
+#include "jni/java_vm_ext.h"
 #include "runtime.h"
 
 namespace art {
diff --git a/test/common/stack_inspect.cc b/test/common/stack_inspect.cc
index fd62737..192274e 100644
--- a/test/common/stack_inspect.cc
+++ b/test/common/stack_inspect.cc
@@ -20,7 +20,7 @@
 
 #include "base/mutex.h"
 #include "dex/dex_file-inl.h"
-#include "jni_internal.h"
+#include "jni/jni_internal.h"
 #include "mirror/class-inl.h"
 #include "nth_caller_visitor.h"
 #include "oat_file.h"