Remove sepolicy files from libvintf.

CTS device info collects sepolicy files via
adb pull, not via libvintf.

Changes RuntimeInfo::fetchAllInformation
errors to warnings.

Bug: 38070361
Test: pass
Change-Id: I5157efcbe65940bc5e71f5df8b6e3f208368797c
Merged-In: I5157efcbe65940bc5e71f5df8b6e3f208368797c
diff --git a/parse_string.cpp b/parse_string.cpp
index b57b25e..d412ac4 100644
--- a/parse_string.cpp
+++ b/parse_string.cpp
@@ -382,14 +382,10 @@
         << ki.hardwareId() << ";"
         << ki.mBootAvbVersion << "/"
         << ki.mBootVbmetaAvbVersion << ";"
-        << "kernelSepolicyVersion = " << ki.kernelSepolicyVersion() << ";\n"
-        << "sepolicy files:\n";
-    for (const auto &file : ki.sepolicyFilePaths()) {
-        oss << "    " << file << "\n";
-    }
-    oss << "\ncpu info:\n";
-    oss << ki.cpuInfo();
-    oss << "\n#CONFIG's loaded = " << ki.mKernelConfigs.size() << ";\n";
+        << "kernelSepolicyVersion = " << ki.kernelSepolicyVersion()
+        << ";\n\ncpu info:\n"
+        << ki.cpuInfo()
+        << "\n#CONFIG's loaded = " << ki.mKernelConfigs.size() << ";\n";
     for (const auto &pair : ki.mKernelConfigs) {
         oss << pair.first << "=" << pair.second << "\n";
     }