Fix the issue of chips row disappears after rotate the device

It will not trigger refreshCurrentRootAndDirectory in this case.
UpdateChips in Activity's onCreate

Change-Id: I843de4067ab7ef3a973a90b111a3955568a4a881
Fix: 124481820
Test: Manual

1 files changed, 2 insertions, 0 deletions

diff --git a/src/com/android/documentsui/BaseActivity.java b/src/com/android/documentsui/BaseActivity.java
index 9782092c3..41d1658e2 100644
--- a/src/com/android/documentsui/BaseActivity.java
+++ b/src/com/android/documentsui/BaseActivity.java
@@ -201,6 +201,8 @@ public abstract class BaseActivity
                 chipGroup, icicle);
         // initialize the chip sets by accept mime types
         mSearchManager.initChipSets(mState.acceptMimes);
+        // update the chip items by the mime types of the root
+        mSearchManager.updateChips(getCurrentRoot().derivedMimeTypes);
         // parse the query content from intent when launch the
         // activity at the first time
         if (icicle == null) {