Close the GZIPOutputStream to release the deflater

Bug: 183378494
Test: atest CtsDropBoxManagerTestCases
Test: atest FrameworksServicesTests:com.android.server.DropBoxTest
Test: atest CtsAppExitTestCases:ActivityManagerAppExitInfoTest#testAnr
Change-Id: I3828ce4648feea5868445be800fdf10c87efde74

services/core/java/com/android/server/DropBoxManagerService.java

@@ -448,7 +448,7 @@ public final class DropBoxManagerService extends SystemService {
                 final GZIPOutputStream gzipOutputStream =
                         new GZIPOutputStream(new FileOutputStream(fd));
                 FileUtils.copy(in, gzipOutputStream);
-                gzipOutputStream.finish();
+                gzipOutputStream.close();
             } else {
                 FileUtils.copy(in, new FileOutputStream(fd));
             }