ART: Fix arm32 assembly stub CFI

Follow-up to 7ea6a170486d81b127e69673cd1020c4db628c93.

Change-Id: Ib6df28653374994c78cd5586f2381d36b74ca846
diff --git a/runtime/arch/arm/quick_entrypoints_arm.S b/runtime/arch/arm/quick_entrypoints_arm.S
index ca3ca1d..a7826a7 100644
--- a/runtime/arch/arm/quick_entrypoints_arm.S
+++ b/runtime/arch/arm/quick_entrypoints_arm.S
@@ -331,9 +331,7 @@
     SETUP_REFS_AND_ARGS_CALLEE_SAVE_FRAME r2, r3  @ save callee saves in case allocation triggers GC
     mov    r2, r9                         @ pass Thread::Current
     mov    r3, sp
-    .cfi_adjust_cfa_offset 16
     bl     \cxx_name                      @ (method_idx, this, caller, Thread*, SP)
-    .cfi_adjust_cfa_offset -16
     mov    r12, r1                        @ save Method*->code_
     RESTORE_REFS_AND_ARGS_CALLEE_SAVE_FRAME
     cbz    r0, 1f                         @ did we find the target? if not go to exception delivery