Merge "Revert "Use MappedFile for mmap-related operations in CursorWindow"" into main am: e7d08b0b0f am: f7e31cdd65

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3308541

Change-Id: Idacf66f0b102bf3c5d898fc3498fa3f332bf5356
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>