Add sepolicyFilePaths() to RuntimeInfo.

Test: adb shell vintf
Bug: 28656227
Change-Id: If8c28eff7a057fafda88384c92498f0f21121b97
diff --git a/parse_string.cpp b/parse_string.cpp
index e6a24d1..8bf66c5 100644
--- a/parse_string.cpp
+++ b/parse_string.cpp
@@ -382,8 +382,12 @@
         << ki.hardwareId() << ";"
         << ki.mAvbBootVersion << "/"
         << ki.mAvbInitVersion << ";"
-        << "kernelSepolicyVersion = " << ki.kernelSepolicyVersion() << ";"
-        << "#CONFIG's loaded = " << ki.mKernelConfigs.size() << ";\n";
+        << "kernelSepolicyVersion = " << ki.kernelSepolicyVersion() << ";\n"
+        << "sepolicy files:\n";
+    for (const auto &file : ki.sepolicyFilePaths()) {
+        oss << "    " << file << "\n";
+    }
+    oss << "\n#CONFIG's loaded = " << ki.mKernelConfigs.size() << ";\n";
     for (const auto &pair : ki.mKernelConfigs) {
         oss << pair.first << "=" << pair.second << "\n";
     }