[automerge] Fix integer wrap sanitisation. 2p: 2b597691ef am: 312bb25a2c

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/dtc/+/19606333

Change-Id: I6bdc654098e5e6d80a36d136c52af7b24f792fd7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>