MediaBitstreamsTest: accurate runtime hint, no 64 bit ABIs

Bug: 62976713
Test: cts-tradefed run cts -m CtsMediaBitstreamsTestCases
Change-Id: If95adda7dd3be18db45abd3aa9d4fdde373237c5
diff --git a/hostsidetests/media/bitstreams/AndroidTest.xml b/hostsidetests/media/bitstreams/AndroidTest.xml
index c5feef2..c291b77 100644
--- a/hostsidetests/media/bitstreams/AndroidTest.xml
+++ b/hostsidetests/media/bitstreams/AndroidTest.xml
@@ -25,6 +25,6 @@
     </target_preparer>
     <test class="com.android.compatibility.common.tradefed.testtype.JarHostTest" >
         <option name="jar" value="CtsMediaBitstreamsTestCases.jar" />
-        <option name="runtime-hint" value="6m" />
+        <option name="runtime-hint" value="4h50m" />
     </test>
 </configuration>