add com.android.threadnetwork to base_system.mk

Bug: 262683651
Test: atest CtsSystemApiSignatureTestCases
Merged-In: Iefe7fa4c74ab9608faeb9d64e75c054e9b90afdb
Change-Id: Id4f34b70aee2277236762092f8a40254963a6b4f
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index a23fdd5..7fc33b0 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -70,6 +70,7 @@
     com.android.scheduling \
     com.android.sdkext \
     com.android.tethering \
+    com.android.threadnetwork \
     com.android.tzdata \
     com.android.uwb \
     com.android.virt \