Looks like modules can now be missing "shared_libs" and "static_libs".
Use default values of empty sets where applicable, or check for the
existence of the keys before looking for them.
Test: python find_static_candidates.py --module audioserver
Bug: 322190716
Change-Id: I8be9bd2c1562975db57ffbf89d57ff2767f0b1f1
Parses module-info.json, gathers stats on how many times each library is
included shared or statically.
Can print a list of libraries that would be a candidate for changing
from static to shared or visa versa.
Test: m
Bug: 280829178
Change-Id: I4bbffbd673ab2e08c69d0ab6e68402be77c9ffbc