[automerger skipped] Remove clearEncryptionPassword() from LockPatternUtils am: 0a9389d2 am: a8daebb9 am: c1341a7f -s ours am: 5a5f49e7 -s ours

am skip reason: Merged-In If0c75774555d3503f21857e66cce527c5edfa586 with SHA-1 50cfdac9 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2016258

Change-Id: I68b1eb9589de6bc17562ccab08f22363fe5fdd8f