ART: Speed up some gtests.

Avoid creating `Runtime` or create the `Runtime` with a boot
image to make the test setup faster.

Test: m test-art-host-gtest
Test: run-gtests.sh
Change-Id: I3f09de81491402442f1704d25bb06de995d8a3ca
diff --git a/disassembler/disassembler_arm64_test.cc b/disassembler/disassembler_arm64_test.cc
index 8279ed8..c1917cc 100644
--- a/disassembler/disassembler_arm64_test.cc
+++ b/disassembler/disassembler_arm64_test.cc
@@ -20,8 +20,9 @@
 
 #include <sstream>
 
-#include "common_runtime_test.h"
+#include "base/common_art_test.h"
 #include "disassembler_arm64.h"
+#include "thread.h"
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wshadow"
@@ -38,7 +39,7 @@
 /**
  * Fixture class for the ArtDisassemblerTest tests.
  */
-class ArtDisassemblerTest : public CommonRuntimeTest {
+class ArtDisassemblerTest : public CommonArtTest {
  public:
   ArtDisassemblerTest() {
   }