[LSC] Add LOCAL_LICENSE_KINDS to external/python/funcsigs Added SPDX-license-identifier-Apache-2.0 to: funcsigs/Android.bp Added SPDX-license-identifier-Apache-2.0 SPDX-license-identifier-PSF-2.0 to: Android.bp Bug: 68860345 Bug: 151177513 Bug: 151953481 Test: m all Exempt-From-Owner-Approval: janitorial work Change-Id: Ia8fb2c469a10bb7af601de26112c26e95de2678c