Remove provide libs from file

Remove provide libs of system image from file, and generate it at build
time instead

Bug: 172889962
Test: Build cuttlefish and confirmed list is generated in
/system/etc/linker.config.pb

Change-Id: I365252dcb2e8735fd8f6345c9ec2c985b0489d64
diff --git a/rootdir/Android.bp b/rootdir/Android.bp
index a21f686..d63868a 100644
--- a/rootdir/Android.bp
+++ b/rootdir/Android.bp
@@ -29,4 +29,5 @@
 linker_config {
     name: "system_linker_config",
     src: "etc/linker.config.json",
+    installable: false,
 }