Merge "Rephrase dialog message of clear storage dialog for security concern"...

Merge "Rephrase dialog message of clear storage dialog for security concern" into sc-qpr1-dev am: 64539c0a am: 5992daa3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/16100469

Change-Id: I67de01fea4e662fa7bfc19d74e3274561391ba78