Add default corpus directory

Test: m vold_native_service_fuzzer
Test: adb shell /data/fuzz/x86_64/vold_native_service_fuzzer/vold_native_service_fuzzer /data/fuzz/x86_64/vold_native_service_fuzzer/corpu
Bug: 295220956
Change-Id: I7c6d1a38962a2c997e0c0d05ca9a2a4bb96f3001
1 file changed