[automerger skipped] Move boot jars package check into platform_bootclasspath...

[automerger skipped] Move boot jars package check into platform_bootclasspath am: e1125479 am: d5a0c20b -s ours

am skip reason: Merged-In Iba1a881c8f6b6919d5c0c0520eb3073658f3b8d2 with SHA-1 c8ead41b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/soong/+/15027894

Change-Id: I6d961a5db4b5ecd25063dcea63035e7e60aebbfb