remove optimize flag to enable shrinking. 

Bug: 226442408

Change-Id: Ia714b74173a9203078ff5c4c431a865f746c62e9
Test:TreeHugger
diff --git a/tests/BugReportApp/Android.bp b/tests/BugReportApp/Android.bp
index fed1dc5..392851d 100644
--- a/tests/BugReportApp/Android.bp
+++ b/tests/BugReportApp/Android.bp
@@ -27,10 +27,6 @@
 
     aaptflags: ["--auto-add-overlay"],
 
-    optimize: {
-        enabled: false,
-    },
-
     certificate: "platform",
 
     privileged: true,