[automerger skipped] Remove obsolete PDK build functionality am: 9f43597f...

[automerger skipped] Remove obsolete PDK build functionality am: 9f43597f am: ee8cd06a -s ours am: 82b64edb -s ours

am skip reason: Change-Id I830b54d419b59f6db1d4617b45e61a78234f57a7 with SHA-1 ba3876a9 is in history

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/1319667

Change-Id: Ib79b35cea14f96dd56552109cb27a75660c4e3e8