Add dependency to commons-text

Since I99448c8116 dependency on commons-text was added to gitiles, but
the same dependency was missed to be added to gitiles-plugin.

Bug: Issue 9317
Change-Id: I9842369f8db30dd7b40d0b8430b7fa2254baebf0
diff --git a/BUILD b/BUILD
index c11b095..50a1dd1 100644
--- a/BUILD
+++ b/BUILD
@@ -47,6 +47,7 @@
         "@autolink//jar",
         "@cm_autolink//jar",
         "@commons-lang3//jar",
+        "@commons-text//jar",
         "@commonmark//jar",
         "@gfm_strikethrough//jar",
         "@gfm_tables//jar",
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index 5951d5f..1aab85a 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -23,6 +23,12 @@
     sha1 = '557edd918fd41f9260963583ebf5a61a43a6b423',
   )
 
+  maven_jar(
+    name = 'commons-text',
+    artifact = 'org.apache.commons:commons-text:1.2',
+    sha1 = '74acdec7237f576c4803fff0c1008ab8a3808b2b',
+  )
+
   # commonmark must match the version used in Gitiles
   maven_jar(
     name = 'commonmark',