[automerger skipped] Merge "Allow libfec to be a shared library." am: 057e535e24  -s ours am: 696ab3cde2  -s ours am: e467f553b9  -s ours
am: dda122b09c  -s ours

Change-Id: Iaf7bf89d3e0e953a4ff52755093a88cd8f8715e1