Fix host Mac build.

Ptr - ptr is an int not size_t on the Mac.
Fix use of assembly literal macro.
Remove forgotten about WITH_HOST_DALVIK.

Change-Id: I64db1927b2c6a145b6a96ffcc33d704914bba1bb
diff --git a/runtime/arch/x86/quick_entrypoints_x86.S b/runtime/arch/x86/quick_entrypoints_x86.S
index e522143..28e4dd6 100644
--- a/runtime/arch/x86/quick_entrypoints_x86.S
+++ b/runtime/arch/x86/quick_entrypoints_x86.S
@@ -1218,10 +1218,10 @@
     jnz .Lexception_in_native
 
     // Tear down the callee-save frame.
-    addl MACRO_LITERAL(4), %esp     // Remove padding
+    addl LITERAL(4), %esp     // Remove padding
     CFI_ADJUST_CFA_OFFSET(-4)
     POP ecx
-    addl MACRO_LITERAL(4), %esp     // Avoid edx, as it may be part of the result.
+    addl LITERAL(4), %esp     // Avoid edx, as it may be part of the result.
     CFI_ADJUST_CFA_OFFSET(-4)
     POP ebx
     POP ebp  // Restore callee saves