Enable libcap on host bionic

Bug: 31559095

Test: Build
Change-Id: I5e7a5fd83666e2c395ceec2eb2a95cdaafd16679
diff --git a/Android.bp b/Android.bp
index c7dc337..8d5c848 100644
--- a/Android.bp
+++ b/Android.bp
@@ -38,8 +38,11 @@
     target: {
         darwin: {
             enabled: false,
-        }
-    }
+        },
+        linux_bionic: {
+            enabled: true,
+        },
+    },
 }
 
 cc_binary {