ANDROID: AArch64: Change default max-page-size from 4k to 16k (#70251)

File size increase were found negligible from sparseness and zero
block compression in f2fs and ext4 (supported filesystems for
Android's userdata partition).

Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Co-authored-by: Kalesh Singh <kaleshsingh@google.com>