Increasing bazel timeout for heavy BA tests

Change-Id: I9c6f5ca0f2094891db21a08796d5f5e4430265dc

BUILD

diff --git a/BUILD b/BUILD
index db5b090..96df5e3 100644
--- a/BUILD
+++ b/BUILD
@@ -191,7 +191,7 @@
 # dependency that we'd prefer to avoid.
 [cc_test(
     name = test_filename.split("/")[-1][:-3],  # Remove .cc.
-    timeout = "moderate",
+    timeout = "long",
     srcs = [test_filename],
     copts = TEST_COPTS,