Copy generated $(PRODUCT_OUT)/module-info.json file to dist when...

Copy generated $(PRODUCT_OUT)/module-info.json file to dist when SOONG_COLLECT_JAVA_DEPS flag is set.

Test: build/soong/soong_ui.bash --make-mode SKIP_ABI_CHECKS=true SOONG_COLLECT_JAVA_DEPS=true TARGET_PRODUCT=aosp_cf_x86_phone TARGET_BUILD_VARIANT=userdebug droid dist DIST_DIR=/usr/local/google/home/yifengzeng/temp EMMA_INSTRUMENT=true EMMA_INSTRUMENT_FRAMEWORK=true CLANG_COVERAGE=true NATIVE_COVERAGE_PATHS="*" NATIVE_COVERAGE_EXCLUDE_PATHS="art bionic/libc device"

Bug: 168755196
Change-Id: I2b54d7cd1aaef1068ed5dfe35bfc4a8525b2e968