Ignore failing RecoverableKeyStoreManager tests. am: ca24397a4d am: d0ff6dcb61

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23111846

Change-Id: I1efde1d2314c1819fcd2a7db1ba449c9f85c09d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>