Minor fixes for CrashRecovery modules

1. Move to updated getDataSystemDeviceProtectedDirectory API
2. Fix "isModule" function
3. Add temporary PackageWatchdog contructor to match module

Bug: 289203818
Test: TH
Flag: EXEMPT Test change
Change-Id: I1d98815da37809acd98816c44309473d984f94c3
3 files changed