Reland: Verify init scripts for correctness during build

Relanding with change to not run on the darwin build since host init
verifier is not possible there.

Bug: 36970783
Bug: 110477913
Test: builds pass without failures
Test: builds fail with failures in init files used via LOCAL_INIT_RC,
      PRODUCT_COPY_FILES, or TARGET_PREBUILT

Change-Id: Iae93705a9320159ed97328e615eaa3bc150e6442