Prefer rlib for executables in compos

Bug: 188195485
Test: build and run in the VM
Change-Id: I410e98f99e9c2712186eaf4346d06b736d5d81c6
diff --git a/compos/Android.bp b/compos/Android.bp
index f0a3059..fc0517f 100644
--- a/compos/Android.bp
+++ b/compos/Android.bp
@@ -15,6 +15,7 @@
         "libnix",
         "libscopeguard",
     ],
+    prefer_rlib: true,
     apex_available: [
         "com.android.compos",
     ],
@@ -31,6 +32,7 @@
         "liblog_rust",
         "libminijail_rust",
     ],
+    prefer_rlib: true,
     apex_available: [
         "com.android.compos",
     ],
@@ -48,6 +50,7 @@
         "libnix",
         "libscopeguard",
     ],
+    prefer_rlib: true,
     apex_available: [
         "com.android.compos",
     ],