Track a Java package rename in comments

Some classes referenced in comments in libcore.tzdata.update2 have
moved to libcore.tzdata.shared2.

Bug: 31008728
Test: mmm system/core/tzdatacheck
Change-Id: I390b375ab8fefbb46e69f4534000ff43ffcceae8
diff --git a/tzdatacheck/tzdatacheck.cpp b/tzdatacheck/tzdatacheck.cpp
index 769f0f5..381df5a 100644
--- a/tzdatacheck/tzdatacheck.cpp
+++ b/tzdatacheck/tzdatacheck.cpp
@@ -31,7 +31,7 @@
 #include "android-base/logging.h"
 
 // The name of the file containing the distro version information.
-// See also libcore.tzdata.update2.TimeZoneDistro / libcore.tzdata.update2.DistroVersion.
+// See also libcore.tzdata.shared2.TimeZoneDistro / libcore.tzdata.shared2.DistroVersion.
 static const char* DISTRO_VERSION_FILENAME = "/distro_version";
 
 // distro_version is an ASCII file consisting of 17 bytes in the form: AAA.BBB|CCCCC|DDD
@@ -42,14 +42,14 @@
 static const int DISTRO_VERSION_LENGTH = 13;
 
 // The major version of the distro format supported by this code as a null-terminated char[].
-// See also libcore.tzdata.update2.TimeZoneDistro / libcore.tzdata.update2.DistroVersion.
+// See also libcore.tzdata.shared2.TimeZoneDistro / libcore.tzdata.shared2.DistroVersion.
 static const char SUPPORTED_DISTRO_MAJOR_VERSION[] = "001";
 
 // The length of the distro format major version excluding the \0
 static const size_t SUPPORTED_DISTRO_MAJOR_VERSION_LEN = sizeof(SUPPORTED_DISTRO_MAJOR_VERSION) - 1;
 
 // The minor version of the distro format supported by this code as a null-terminated char[].
-// See also libcore.tzdata.update2.TimeZoneDistro / libcore.tzdata.update2.DistroVersion.
+// See also libcore.tzdata.shared2.TimeZoneDistro / libcore.tzdata.shared2.DistroVersion.
 static const char SUPPORTED_DISTRO_MINOR_VERSION[] = "001";
 
 // The length of the distro format minor version excluding the \0
@@ -65,7 +65,7 @@
 // Distro version bytes are: AAA.BBB|CCCCC - the rules version is CCCCC
 static const size_t DISTRO_VERSION_RULES_IDX = 8;
 
-// See also libcore.tzdata.update2.TimeZoneDistro.
+// See also libcore.tzdata.shared2.TimeZoneDistro.
 static const char* TZDATA_FILENAME = "/tzdata";
 
 // tzdata file header (as much as we need for the version):