[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
2 files changed