[asm] refresh internal ASM version to v5.0.3

A new ASM version has been released on ObjectWeb, this contains several bug fixes, it would be prudent to update the JDK sources with this.
Fixes the following ASM issues:

ASM 5.0.1:
317132 ASM 5.0 do not supported JDK 1.5?
317131 Infinite loop in InstructionAdapter.invokestatic(...).
316691 Incorrect StackMapFrame calculations for large > 32k methods in
Java 7.
317123 ASM5.0: Class MethodNode broken?
317127 duplicate entries in InnerClasses attribute.

ASM 5.0.2:
317135 Textifier prints bridge methods to be volatile
317151 fix for 316545 is incorrect
317136 ASMifier 5.0.1 output references package org.objectweb.asm.attrs

ASM 5.0.3:
Changes:
Replaced StringBuffer by StringBuilder.
Removed the empty asm.attrs package.

317200 Fix for 317127 eliminates some non-duplicate InnerClass attributes
317195 Method with 32 or 64 try finallys fails with asm