Merge "Update IME SECURE flag if Window updates SECURE flag" into tm-dev am: 0e11b2c7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17590912



Change-Id: I1f279733a856566730ffc741e67f1dbfdd56d08e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>