tree 70208cd28f60aa427ecb3099303741f7f37edaeb
parent 9028f4992c7d1a0b41b92dbce7781fa8c1d34da8
author Rubin Xu <rubinxu@google.com> 1628525014 +0100
committer Rubin Xu <rubinxu@google.com> 1628539013 +0000

Attempt to clear memory after keyguard PIN entry

Force object finalization and garbage collection to remove shards
of user PIN from memory.

Bug: 189315376
Test: Unlock keyguard; take ramdump; search for PIN in the dump
Change-Id: I6d951babc225998d959669117c26f823f28fa706