Use _target_name instead of package_name for java*.gypi

build/android/ant/chromium-jars.xml

Index: build/android/ant/chromium-jars.xml
diff --git a/build/android/ant/chromium-jars.xml b/build/android/ant/chromium-jars.xml
index 7007df5dc1fa472dfc5b2e230676fee3d1b444ea..c031a3aa766102c3054ea80e309fcd366a2ed96f 100644
--- a/build/android/ant/chromium-jars.xml
+++ b/build/android/ant/chromium-jars.xml
@@ -8,7 +8,7 @@
     Common ant build file for for chromium_*.jars.
     For creating a new chromium_*.jar :
     1. Use build/java.gypi action.
-    The jar will be created as chromium_${PACKAGE_NAME} in
+    The jar will be created as ${JAR_NAME} in
     ${PRODUCT_DIR}/lib.java.
   -->
   <description>
@@ -34,7 +34,7 @@
 
   <property-location
     name="dest.dir"
-    location="${PRODUCT_DIR}/java/${PACKAGE_NAME}"
+    location="${PRODUCT_DIR}/java/${TARGET_NAME}"
     check-exists="false"
   />
 
@@ -76,10 +76,10 @@
   </target>
 
   <target name="dist" depends="compile"
-      description="Generate chromium_${PACKAGE_NAME}.jar.">
+      description="Generate ${JAR_NAME}.">
     <!-- Create the distribution directory -->
     <jar
-      jarfile="${lib.java.dir}/chromium_${PACKAGE_NAME}.jar"
+      jarfile="${lib.java.dir}/${JAR_NAME}"
       basedir="${dest.dir}"
     />
 
@@ -87,7 +87,7 @@
          time should still be updated. Otherwise, this target will continue to
          be rebuilt in future builds.
     -->
-    <touch file="${lib.java.dir}/chromium_${PACKAGE_NAME}.jar"/>
+    <touch file="${lib.java.dir}/${JAR_NAME}"/>
   </target>
 
   <target name="clean" description="clean up">