Add INFO_MODEL and INFO_MODEL_YEAR default values

Bug: 162611157
Test: adb shell cmd car_service get-carpropertyconfig | grep MODEL
Change-Id: Iff9f763aa624a2002b0dd326316410a93a47d5c0
Merged-In: Iff9f763aa624a2002b0dd326316410a93a47d5c0
(cherry picked from commit 5aa08b7d)