DO NOT MERGE Bump up the max persisted uri grants

With scoped storage, more apps will need to rely on
SAF to get access to non-media files. Allow more grants
by bumping up the limit to 512.

BUG: 149370983
Test: m

Change-Id: I26ae0ff660ecfb846a06fca00de7c1ad41ace2b2
diff --git a/services/core/java/com/android/server/uri/UriGrantsManagerService.java b/services/core/java/com/android/server/uri/UriGrantsManagerService.java
index c38d649..4b3ddd8 100644
--- a/services/core/java/com/android/server/uri/UriGrantsManagerService.java
+++ b/services/core/java/com/android/server/uri/UriGrantsManagerService.java
@@ -114,7 +114,7 @@
     private static final boolean DEBUG = false;
     private static final String TAG = "UriGrantsManagerService";
     // Maximum number of persisted Uri grants a package is allowed
-    private static final int MAX_PERSISTED_URI_GRANTS = 128;
+    private static final int MAX_PERSISTED_URI_GRANTS = 512;
     private static final boolean ENABLE_DYNAMIC_PERMISSIONS = false;
 
     private final Object mLock = new Object();