Split bazel -path functions and clarify docs

Test: go test
Change-Id: I62f58998fc7d52c67ed5acfdb8230d404b2a5472
diff --git a/android/Android.bp b/android/Android.bp
index f5e5606..62d5e20 100644
--- a/android/Android.bp
+++ b/android/Android.bp
@@ -26,6 +26,7 @@
         "arch_list.go",
         "bazel.go",
         "bazel_handler.go",
+        "bazel_paths.go",
         "config.go",
         "csuite_config.go",
         "deapexer.go",