ImageReader: Increase timeout for waitForNextImage

500ms is simply too short for some capture cases, which caused lots of false
failure. Increase to 5 second to make the test more robust.

Bug: 9802344
Change-Id: Id8f4863a53a2ae70150e6ab9d3ebd96dae4b4312
diff --git a/tests/tests/hardware/src/android/hardware/camera2/cts/ImageReaderTest.java b/tests/tests/hardware/src/android/hardware/camera2/cts/ImageReaderTest.java
index 3ba9815..ff7dbd7 100644
--- a/tests/tests/hardware/src/android/hardware/camera2/cts/ImageReaderTest.java
+++ b/tests/tests/hardware/src/android/hardware/camera2/cts/ImageReaderTest.java
@@ -185,7 +185,7 @@
         }
 
         public void waitForImage() {
-            final int TIMEOUT_MS = 500;
+            final int TIMEOUT_MS = 5000;
             synchronized (mImageSyncObject) {
                 while (mPendingImages == 0) {
                     try {