Add the time zone data module to /system

This includes the time zone data APEX in the system image
which should flush out any obvious issues.

Bug: 119026403
Test: build / boot taimen
Change-Id: I3d9a8289d8af405a373c94891b482540e59a3571
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 85bd136..1ac6332 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -52,6 +52,7 @@
     charger \
     cmd \
     com.android.location.provider \
+    com.android.tzdata \
     ContactsProvider \
     content \
     crash_dump \