Rename libunwind static library to libunwind_static

To remove vendor variant of shared libunwind, we split the shared and
static variants of the libunwind. The static version of libunwind is
renamed to libunwind_static.

Bug: 120948701
Test: build and boot
Change-Id: I393cda994ef1bd979dafbcefe5779cecc0d1da3a
1 file changed