DO NOT MERGE. Block adoptable storage when using FBE.

For adoptable storage and FBE to coexist we need a new dm-biocrypt
kernel feature which isn't ready yet.  So for now, prevent devices
from being adopted on FBE devices.

Bug: 30770036
Change-Id: I47639209161ee403ce13ea9a60da235e97c3fc30
(cherry picked from commit 1571751109)

Disk.cpp

@@ -21,6 +21,7 @@
 #include "VolumeBase.h"
 #include "VolumeManager.h"
 #include "ResponseCode.h"
+#include "Ext4Crypt.h"
 
 #include <android-base/file.h>
 #include <android-base/stringprintf.h>
@@ -438,6 +439,11 @@ status_t Disk::partitionPrivate() {
 status_t Disk::partitionMixed(int8_t ratio) {
     int res;
 
+    if (e4crypt_is_native()) {
+        LOG(ERROR) << "Private volumes not yet supported on FBE devices";
+        return -EINVAL;
+    }
+
     destroyAllVolumes();
     mJustPartitioned = true;