Add java.time packages to whitelist.

Bug: 28832222
Test: builds
Change-Id: I5a77f519f51eca93c34e4697b92a92bf72f4eda9
diff --git a/core/tasks/check_boot_jars/package_whitelist.txt b/core/tasks/check_boot_jars/package_whitelist.txt
index ae69099..1889117 100644
--- a/core/tasks/check_boot_jars/package_whitelist.txt
+++ b/core/tasks/check_boot_jars/package_whitelist.txt
@@ -29,6 +29,11 @@
 java\.sql
 java\.text
 java\.text\.spi
+java\.time
+java\.time\.chrono
+java\.time\.format
+java\.time\.temporal
+java\.time\.zone
 java\.util
 java\.util\.concurrent
 java\.util\.concurrent\.atomic