ICU-20326 Added Export-Package OSGi header in charset.jar
diff --git a/icu4j/main/classes/charset/manifest.stub b/icu4j/main/classes/charset/manifest.stub
index 0855fa1..ef3d636 100644
--- a/icu4j/main/classes/charset/manifest.stub
+++ b/icu4j/main/classes/charset/manifest.stub
@@ -14,4 +14,5 @@
 Bundle-Vendor: Unicode, Inc.
 Bundle-Copyright: @COPYRIGHT@
 Bundle-RequiredExecutionEnvironment: @EXECENV@
+Export-Package: com.ibm.icu.charset
 Automatic-Module-Name: com.ibm.icu.charset
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