tree b1b557a24ca871089ff0bbcc483697ade82fbc14
parent 042d4547c83fe0c2ad47722844bb930b85fd1be1
author Roshan Pius <rpius@google.com> 1571783861 -0700
committer Roshan Pius <rpius@google.com> 1573759108 -0800

WifiConfigStore: Encrypt credentials for networks (2/4)

Plumb the EncryptionUtil & version info to the XmlUtil classes that
actually handle the serialization/deserialization of data.

Also, created a helper class to serialize/deserialize EncryptedData
class.

Bug: 140485110
Test: atest com.android.server.wifi
Change-Id: I92846f1fb63f3b85892750b195a535bcfdc03e2c
Merged-In: I92846f1fb63f3b85892750b195a535bcfdc03e2c