Merge "Revert "Add device-specific tunings for external touchpads"" into udc-dev am: 1693f6b1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21954402



Change-Id: Ia4c542f29b1c9c703cb9936d76ff62c6141fa417
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>