Generate Java/Cpp files for VehicleProperty annotations.

Extract annotations for each property and put them into a map.

We need to use these generated files in car service code and VTS
code.

Flag: EXEMPT internal change
Test: atest VehiclePropertyAnnotationCppTest \
VehiclePropertyAnnotationJavaTest
Bug: 388603905

Change-Id: Iadea6b4de182afaf006d9d9603d014e84e307fd9