dump_gti: fix I/O error when touch fails to resume am: 476373ef30

Original change: https://googleplex-android-review.googlesource.com/c/device/google/gs-common/+/24023803

Change-Id: I6a4bf15dd185a79780f9512438dec7a6ec0bbb37
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>