dumpstate: only poll 30s for initial data am: ed65c767 am: ec76095b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/19244252



Change-Id: I166d8b3b176aeb5901172b5a904384c414f8e88e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>