Increase timeout when mounting adopted storage.

Bug: 23954204
Change-Id: Ib743b53f20059b53bdad304c814438bebfe821d2
diff --git a/hostsidetests/appsecurity/src/com/android/cts/appsecurity/AdoptableHostTest.java b/hostsidetests/appsecurity/src/com/android/cts/appsecurity/AdoptableHostTest.java
index 70414ca..2ae2e10 100644
--- a/hostsidetests/appsecurity/src/com/android/cts/appsecurity/AdoptableHostTest.java
+++ b/hostsidetests/appsecurity/src/com/android/cts/appsecurity/AdoptableHostTest.java
@@ -294,7 +294,7 @@
     private LocalVolumeInfo getAdoptionVolume() throws Exception {
         String[] lines = null;
         int attempt = 0;
-        while (attempt++ < 5) {
+        while (attempt++ < 15) {
             lines = getDevice().executeShellCommand("sm list-volumes private").split("\n");
             for (String line : lines) {
                 final LocalVolumeInfo info = new LocalVolumeInfo(line.trim());