ART: Do not inline elf writer debug symbols

Using Clang, this pushes the frame size of the caller across our
limit. Thus forbid inlining. The function is only called once per
compile, impact is insignificant.

Bug: 18738594
Change-Id: I19c3f1168a5104ab508a8dbf9f2a8c035cb97e3c
Merge "ART: Do not inline elf writer debug symbols"