Merge "IServiceManager: add registerForNotifications." am: e9692d4243 am: c7855d9256 am: 86f10de161 am: ed447e0233

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1967236

Change-Id: Icd2eb28dc1d66da520e530034002139a9b6199f3