am 5a62dddd: Merge "Automatically generate source prop for the support lib extra." into lmp-preview-dev
am 5a62dddd: Merge "Automatically generate source prop for the support lib extra." into lmp-preview-dev

* commit '5a62ddddacf9f3de0ee96ce4a69a25a9b2c1e020':
  Automatically generate source prop for the support lib extra.

AndroidX/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,androidx/androidx,AndroidX/androidx,aosp-mirror/platform_frameworks_support,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,aosp-mirror/platform_frameworks_support,androidx/androidx,aosp-mirror/platform_frameworks_support,aosp-mirror/platform_frameworks_support