Increase the minimal remount scratch size to 64MiB for F2FS scratch

F2FS requires a larger minimal size than the current value of 16MiB.

Bug: 171368484
Fixes: 171368484
Test: Presubmit
Change-Id: I085d91634ada673388b07a0f5c6b1847e261b7f8
1 file changed