Update libprocessgroup dependencies

These are unused, and I'm not sure they ever were.

Bug: 349105928
Test: $ANDROID_BUILD_TOP/out/host/linux-x86/fuzz/x86_64/libgralloctypes_fuzzer/libgralloctypes_fuzzer
Test: adb shell /data/local/tmp/libgralloctypes_fuzzer
Change-Id: I3d0870b7c3473a197b1a04abae0c2a3d183fe2c8