Rename -extra-deps to --extra-static-libs and add --extra-libs

Allow callers of pom2bp to add dependencies on runtime libraries as
well as static libraries. Renames -extra-deps to --extra-static-libs
to make it clearer what it does.

Bug: 130287656
Test: prebuilts/sdk/update_prebuilts.py --stx 5280039
      prebuilts/misc/common/androidx-test/update-from-gmaven.py

Change-Id: I8a3ee8056aa4ed9935a4f47d563ec423672cf38b