Add uinput command binary to system image.

Add uinput command binary to base system to be included in system image.

Bug: 163217897
Test: builds
Change-Id: Id72503474937b9fa7d3d5bd0af4cedfb394a2869
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 083d86a..802a9fc 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -265,6 +265,7 @@
     tune2fs \
     tzdatacheck \
     uiautomator \
+    uinput \
     uncrypt \
     usbd \
     vdc \