Merge "logd: don't use a thread for deleting log chunks" am: 7c95de75 am:...

Merge "logd: don't use a thread for deleting log chunks" am: 7c95de75 am: fc207e2d am: 74b0eb68 am: 685a7f88

Original change: https://android-review.googlesource.com/c/platform/system/core/+/1359387

Change-Id: I342d0fea159fca893138f5f72924fe50de57c695