Revert "Add JIT"

Sorry, run-test crashes on target:
0-05 12:15:51.633 I/DEBUG   (27995): Abort message: 'art/runtime/mirror/art_method.cc:349] Check failed: PcIsWithinQuickCode(reinterpret_cast<uintptr_t>(code), pc) java.lang.Throwable java.lang.Throwable.fillInStackTrace() pc=71e3366b code=0x71e3362d size=ad000000'
10-05 12:15:51.633 I/DEBUG   (27995):     r0 00000000  r1 0000542b  r2 00000006  r3 00000000
10-05 12:15:51.633 I/DEBUG   (27995):     r4 00000006  r5 b6f9addc  r6 00000002  r7 0000010c
10-05 12:15:51.633 I/DEBUG   (27995):     r8 b63fe1e8  r9 be8e1418  sl b6427400  fp b63fcce0
10-05 12:15:51.633 I/DEBUG   (27995):     ip 0000542b  sp be8e1358  lr b6e9a27b  pc b6e9c280  cpsr 40070010
10-05 12:15:51.633 I/DEBUG   (27995): 

Bug: 17950037
This reverts commit 2535abe7d1fcdd0e6aca782b1f1932a703ed50a4.

Change-Id: I6f88849bc6f2befed0c0aaa0b7b2a08c967a83c3
diff --git a/runtime/thread.cc b/runtime/thread.cc
index 79d0066..3b48f49 100644
--- a/runtime/thread.cc
+++ b/runtime/thread.cc
@@ -541,7 +541,7 @@
   // Set stack_end_ to the bottom of the stack saving space of stack overflows
 
   Runtime* runtime = Runtime::Current();
-  bool implicit_stack_check = !runtime->ExplicitStackOverflowChecks() && !runtime->IsAotCompiler();
+  bool implicit_stack_check = !runtime->ExplicitStackOverflowChecks() && !runtime->IsCompiler();
   ResetDefaultStackEnd();
 
   // Install the protected region if we are doing implicit overflow checks.