Increased layout timeout to handle older devices

This test specifically creates 1000 adapter items, and
StaggeredGridLayoutManager doesn't have enough time to finish layout in
only 3 seconds on older devices (it was flaky on Nexus 5 API 23).
Increased the layout timeout pass to 10 seconds.

Bug: 34073965
Test: ./gradlew support-recyclerview-v7:connectedCheck
-Pandroid.testInstrumentationRunnerArguments.class=android.support.v7.widget.StaggeredGridLayoutManagerTest#focusSearchFailureFromSubChild

Change-Id: I8d242ac7a7533b658865fda156ad23a5ac15a229
1 file changed