Update gold to build #2098274.

Built from toolchain/binutils 5b0b7aca66a30692402df9a9909ebbad7acac259

Contains Yiran's patch to work around overly aggressive hidden symbol
warning.

Bug: http://b/21502954
Change-Id: If30c8c74200d87931f177b38c2724d336750200c
1 file changed