Merge "Add getFdStateDebug to access Looper's callbacks" into main am: c8e38c0f64 am: 913cc05ac2

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3267824

Change-Id: I195ab13e29fdc69f326cd2f541b5e7e14c60af81
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>