Always run ensureInAppMountNamespace() to make sure app process runs in its mount namespace

ensureInAppMountNamespace() should always run even if mount_data_dirs is false,
as it may still runs BindMountStorageDirs().

Bug: 177821492
Test: Boot without selinux warnings
Change-Id: I08c78be8b32c3c4ba215fb8ac58104795bd8c06c
1 file changed