Add ADC (immediate) instruction to ARM integrated assembler.

src/DartARM32/assembler_arm.h

Index: src/DartARM32/assembler_arm.h
diff --git a/src/DartARM32/assembler_arm.h b/src/DartARM32/assembler_arm.h
index 5974cee763e8f009702f7a920da1f2f6852b14e9..175bb3670959128efc15cda0d1e6e32f6818a375 100644
--- a/src/DartARM32/assembler_arm.h
+++ b/src/DartARM32/assembler_arm.h
@@ -457,11 +457,12 @@ class Assembler : public ValueObject {
   void add(Register rd, Register rn, Operand o, Condition cond = AL);
 
   void adds(Register rd, Register rn, Operand o, Condition cond = AL);
-#endif
 
+  // Moved to ARM32::AssemblerARM32::adc()
   void adc(Register rd, Register rn, Operand o, Condition cond = AL);
 
   void adcs(Register rd, Register rn, Operand o, Condition cond = AL);
+#endif
 
   void sbc(Register rd, Register rn, Operand o, Condition cond = AL);