Extend the sleep time for install test apk.

Low-performance phones do not complete apk installation during WAIT_TIME_SHORT.

bug:151390181

Change-Id: I6ac5ef342833e78fba657f361a1daf9d15585ee7
diff --git a/hostsidetests/statsd/src/android/cts/statsd/uidmap/UidMapTests.java b/hostsidetests/statsd/src/android/cts/statsd/uidmap/UidMapTests.java
index bf599d3f..adc24db 100644
--- a/hostsidetests/statsd/src/android/cts/statsd/uidmap/UidMapTests.java
+++ b/hostsidetests/statsd/src/android/cts/statsd/uidmap/UidMapTests.java
@@ -78,7 +78,7 @@
         final String result = getDevice().installPackage(
                 buildHelper.getTestFile(DEVICE_SIDE_TEST_APK), false, true);
 
-        Thread.sleep(WAIT_TIME_SHORT);
+        Thread.sleep(WAIT_TIME_LONG);
 
         ConfigMetricsReportList reports = getReportList();
         assertTrue(reports.getReportsCount() > 0);