Expose ACTION_STORAGE_LOW and ACTION_STORAGE_OK to Instant Apps

Instant Apps wont be started by these broadcasts, but if they're running
it gives them a chance to be good citizens on the device and help out
with a space crunch.

Test: manual
Bug: 33350280
Change-Id: I1700153b1c698a29e1e35535f64062544d071cab
diff --git a/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java b/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
index 0639eee..ba160ba 100644
--- a/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
+++ b/services/core/java/com/android/server/storage/DeviceStorageMonitorService.java
@@ -385,10 +385,12 @@
                         mDataFileStats.getBlockSize();
         mStorageLowIntent = new Intent(Intent.ACTION_DEVICE_STORAGE_LOW);
         mStorageLowIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT
-                | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
+                | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND
+                | Intent.FLAG_RECEIVER_VISIBLE_TO_INSTANT_APPS);
         mStorageOkIntent = new Intent(Intent.ACTION_DEVICE_STORAGE_OK);
         mStorageOkIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT
-                | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND);
+                | Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND
+                | Intent.FLAG_RECEIVER_VISIBLE_TO_INSTANT_APPS);
         mStorageFullIntent = new Intent(Intent.ACTION_DEVICE_STORAGE_FULL);
         mStorageFullIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
         mStorageNotFullIntent = new Intent(Intent.ACTION_DEVICE_STORAGE_NOT_FULL);