Clean up dependency for dicttool

bug: 7635215
Change-Id: Ie50297ab592261390885c593341b6c46161b2e63
diff --git a/tools/dicttool/tests/etc/test-dicttool.sh b/tools/dicttool/tests/etc/test-dicttool.sh
index 0f3ed6d..0921207 100755
--- a/tools/dicttool/tests/etc/test-dicttool.sh
+++ b/tools/dicttool/tests/etc/test-dicttool.sh
@@ -13,5 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+if [[ $(type -t mmm) != function ]]; then
+echo "Usage:" 1>&2
+echo "    source $0" 1>&2
+echo "  or" 1>&2
+echo "    . $0" 1>&2
+exit 1
+fi
+
+find out -name "dicttool_aosp*" -exec rm -rf {} \; > /dev/null 2>&1
+mmm -j8 external/junit
+DICTTOOL_UNITTEST=true mmm -j8 packages/inputmethods/LatinIME/tools/dicttool
 java -classpath ${ANDROID_HOST_OUT}/framework/junit.jar:${ANDROID_HOST_OUT}/framework/dicttool_aosp.jar junit.textui.TestRunner com.android.inputmethod.latin.makedict.BinaryDictInputOutputTest
 java -classpath ${ANDROID_HOST_OUT}/framework/junit.jar:${ANDROID_HOST_OUT}/framework/dicttool_aosp.jar junit.textui.TestRunner com.android.inputmethod.latin.dicttool.BinaryDictOffdeviceUtilsTests