Add com.android.supplementalprocess to base_system.mk

Test: flash
Change-Id: I62ce41a9cd2a21031a08a08a58ad257dda2732dd
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 7b6c2c9..641a1cc 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -67,6 +67,7 @@
     com.android.neuralnetworks \
     com.android.scheduling \
     com.android.sdkext \
+    com.android.supplementalprocess \
     com.android.tethering \
     com.android.tzdata \
     com.android.uwb \