Merge "SystemPreparer: remove support for FDE devices" am: 98f0a11a8a am: 7e0aeb84b0 am: 0ae29439c6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1889876

Change-Id: Ice36d05d07c69fbd84e6a9a5f3f173769b0551c7