Merge "input jni: don't depend on unique_fd cast to int" into main am: 47cf4f16 am: 994cbc04

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2835674



Change-Id: I5624c84f527b01da9940040b9c54feb0d06448bf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>