Make the $/# in front of constants optional

Bug: http://b/117842681
Bug: https://github.com/android-ndk/ndk/issues/1036

After change https://reviews.llvm.org/D65550, Clang stopped emitting '#'
before constants in inline assembly.  To accommodate this change, mark
the $/# before constants as optional in make_header.py

Test: Build with old and new compilers
Change-Id: Idb056c99a2bfc4d14e4e30d7dc1d0740ca4f9b60
1 file changed