Rename adbd_system_binaries to adbd_system_api.

This is going to include libraries as well, so rename to reflect this.

Bug: http://b/157709367
Test: treehugger
Change-Id: I94625a6343e18032d8607cf8c58bde49d64db85c
(cherry picked from commit 67e0295833222f85c3ce392dd0c79e1856a1339e)
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index c074807..ffb6570 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -16,7 +16,7 @@
 
 # Base modules and settings for the system partition.
 PRODUCT_PACKAGES += \
-    adbd_system_binaries \
+    adbd_system_api \
     am \
     android.hidl.allocator@1.0-service \
     android.hidl.base-V1.0-java \