Don't enable ARM_R4_SUSPEND_FLAG.

Bug: 17953517

Change-Id: I4578f1ffbfc987d5d178c7586b6bb99882ed19bb
diff --git a/compiler/dex/quick/arm/arm_lir.h b/compiler/dex/quick/arm/arm_lir.h
index b2db36d..4c7f874 100644
--- a/compiler/dex/quick/arm/arm_lir.h
+++ b/compiler/dex/quick/arm/arm_lir.h
@@ -97,7 +97,7 @@
 // First FP callee save.
 #define ARM_FP_CALLEE_SAVE_BASE 16
 // Flag for using R4 to do suspend check
-#define ARM_R4_SUSPEND_FLAG
+// #define ARM_R4_SUSPEND_FLAG
 
 enum ArmResourceEncodingPos {
   kArmGPReg0   = 0,