Merge "Test for patchlevels and too much entropy" am: b5ee70f125 am: fac02e6354 am: e89f9b8e30

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1673208

Change-Id: I84c7c86292b8b529c5dc261cdf7b8f2b72e61930