We were previously statically linking libcutils into adbd for several
different reasons, which were addressed as follows:
socket functions: extracted to a statically linked libcutils_network
fs_config: wrapped with a shared library on /system
ATRACE: deleted the single use in adbd
Test: treehugger
Change-Id: I821fa174cfcbfa8e29a4be10de4016b817adbaf8