Disable adaptive readdir_plus

The FUSE_CAP_READDIRPLUS_AUTO enables adaptive readdir_plus which
issues plain readdir requests under certain conditions. Unfortunately,
readdir isn't well supported and will return 'unknown' node ids.

As a safer fix, we disable the adaptive readdir_plus

Test: No plain readdir requests are issued
Bug: 156446727
Change-Id: I2bd0bd9bf42c9e7f0b0c073d575bf289fb2a21de
1 file changed