Close some things in system_server that CloseGuard found.

Change-Id: I788c022235caddcb1972a34131442a683cd51eb5
diff --git a/services/java/com/android/server/PackageManagerService.java b/services/java/com/android/server/PackageManagerService.java
index 4707bbf..cd58284 100644
--- a/services/java/com/android/server/PackageManagerService.java
+++ b/services/java/com/android/server/PackageManagerService.java
@@ -7334,6 +7334,7 @@
                     byte[] data = new byte[avail];
                     in.read(data);
                     pw.print(new String(data));
+                    in.close();
                 } catch (FileNotFoundException e) {
                 } catch (IOException e) {
                 }