Bazel: Publish to local Maven repository and Google storage bucket

TEST PLAN:

  $ VERBOSE=1 tools/maven/mvn.sh install
  $ VERBOSE=1 tools/maven/mvn.sh deploy

Change-Id: I0b60f9e2137d8755f6e4ca32ff35ec5a5364f4a6

tools/maven/BUILD

diff --git a/tools/maven/BUILD b/tools/maven/BUILD
new file mode 100644
index 0000000..07ae8b0
--- /dev/null
+++ b/tools/maven/BUILD
@@ -0,0 +1,21 @@
+load("//:version.bzl", "GITILES_VERSION")
+load("@com_googlesource_gerrit_bazlets//tools/maven:package.bzl", "maven_package")
+
+maven_package(
+    version = GITILES_VERSION,
+    group = "com.google.gitiles",
+    repository = "gerrit-maven-repository",
+    url = "gs://gerrit-maven",
+    jar = {
+        "blame-cache": "//blame-cache:lib",
+        "gitiles-servlet": "//gitiles-servlet:servlet",
+    },
+    src = {
+        "blame-cache": "//blame-cache:liblib-src.jar",
+        "gitiles-servlet": "//gitiles-servlet:libservlet-src.jar",
+    },
+    doc = {
+        "blame-cache": "//blame-cache:javadoc",
+        "gitiles-servlet": "//gitiles-servlet:javadoc",
+    },
+)