[LSC] Add LOCAL_LICENSE_KINDS to external/python/dateutil Added SPDX-license-identifier-Apache-2.0 SPDX-license-identifier-BSD to: Android.bp dateutil/Android.bp Bug: 68860345 Bug: 151177513 Bug: 151953481 Test: m all Exempt-From-Owner-Approval: janitorial work Change-Id: I73170bd4221a68f5272441a3b49575e2690ed812