[DO NOT MERGE] gti: refine the process to drop obsolete input am: 78cc86a95a am: 90f2eedab7

Original change: https://partner-android-review.googlesource.com/c/kernel/private/google-modules/touch/common/+/2766678

Change-Id: I4f7324f78b399c9fe60171bdefc111f4dd46099c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>