Copy ICU4J 61.1 from icu-project.org to aosp/icu61.

These files were exported from the ICU Subversion repository by running
the following command:

svn export \
  http://source.icu-project.org/repos/icu/tags/release-61-1/icu4j icu4j

Change-Id: I6bbb340ea46c6f811cf29dbd81e6f4a5907eefa1
diff --git a/icu4j/build.xml b/icu4j/build.xml
index 7b07b2d..3c60877 100644
--- a/icu4j/build.xml
+++ b/icu4j/build.xml
@@ -102,10 +102,25 @@
         <matches string="${java.version}" pattern="9((-.|\.\d).*)?"/>
     </condition>
 
+    <condition property="is.java10">
+        <matches string="${java.version}" pattern="10((-.|\.\d).*)?"/>
+    </condition>
+
+    <condition property="is.java11">
+        <matches string="${java.version}" pattern="11((-.|\.\d).*)?"/>
+    </condition>
+
+    <condition property="is.java12">
+        <matches string="${java.version}" pattern="12((-.|\.\d).*)?"/>
+    </condition>
+
     <condition property="is.java8.plus">
         <or>
             <isset property="is.java8"/>
             <isset property="is.java9"/>
+            <isset property="is.java10"/>
+            <isset property="is.java11"/>
+            <isset property="is.java12"/>
         </or>
     </condition>
 
@@ -1735,7 +1750,7 @@
         </java>
     </target>
 
-    <target name="draftAPIs" depends="info, gatherapi" description="Run API collector tool and generate draft API report">
+    <target name="draftAPIs" depends="info, gatherapi" description="Run API collector tool and generate draft API report in html">
         <java classname="com.ibm.icu.dev.tool.docs.CollectAPI"
                 classpath="${icu4j.build-tools.jar}"
                 failonerror="true">
@@ -1747,6 +1762,19 @@
         </java>
     </target>
 
+    <target name="draftAPIsTSV" depends="info, gatherapi" description="Run API collector tool and generate draft API report in TSV">
+        <java classname="com.ibm.icu.dev.tool.docs.CollectAPI"
+                classpath="${icu4j.build-tools.jar}"
+                failonerror="true">
+            <arg value="-f"/>
+            <arg value="Draft"/>
+            <arg value="-o"/>
+            <arg value="${out.dir}/draftAPIs.tsv"/>
+            <arg value="-t"/>
+            <arg value="${out.dir}/icu4j${api.report.version}.api3.gz" />
+        </java>
+    </target>
+
     <target name="swatDeprecated" depends="build-tools" description="Convert @deprecated @draft tags to @provisional">
         <antcall target="_runSwatDeprecated">
             <param name="swat.deprecated.opt" value="-dep"/>