This commit configures "has_reference_dump" for the modules in ABI unit
tests. gen_all.py refers to the flag to creates reference dumps.
Test: PATH=$PATH:$ANDROID_BUILD_TOP/out/soong/dist/bin \
development/vndk/tools/header-checker/tests/gen_all.py
Test: PATH=$PATH:$ANDROID_BUILD_TOP/out/soong/dist/bin \
development/vndk/tools/header-checker/tests/test.py
Bug: 237966264
Change-Id: I35d5c43a20533cc71470b02919258dd883b40241