Merge "Use MappedFile for mmap-related operations in CursorWindow" into main am: 8659a0f702 am: be5a917ea6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3000218

Change-Id: I29973cf1030be6e6dba73dbf137aa87c58a7ab0f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>