Set min_sdk_version am: ab61f02d18 am: 641c045043

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/libtextclassifier/+/19083770

Change-Id: I7ce9d9508f1531fd53d7f32c5908e4390c079483
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>