Merge "Add null check for mIntent in ZenRulePreference to avoid potential crash risk" am: 36a80cd8e6 am: 3799ecc58a am: 02a5b5e487 am: f8701c71e6 am: b151b094cc

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/2200576

Change-Id: Ib0d57ffd2c11e804ae31a0f57846c509100ccf93
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>