Merge "hidl2aidl: add static asserts for enums in generated translate code" am: a452c829c0 am: 30c8570933

Original change: https://android-review.googlesource.com/c/platform/system/tools/hidl/+/1515133

Change-Id: Iaf8d5543837d82e8328e7477961ed7fc6d879030