Add paths to apk!lib/<abi> to LD_LIBRARY_PATH

  Add paths to .apk to LD_LIBRARY_PATH to enable
  bionic linker's "open from zip-file" feature.

Bug: 8076853
Change-Id: I1aa2c039bb2a590ae72f256acc9ba5401c2c59b1
diff --git a/runtime/runtime.h b/runtime/runtime.h
index 7f33547..9a04835 100644
--- a/runtime/runtime.h
+++ b/runtime/runtime.h
@@ -524,6 +524,10 @@
     return allow_dex_file_fallback_;
   }
 
+  const std::vector<std::string>& GetCpuAbilist() const {
+    return cpu_abilist_;
+  }
+
   bool RunningOnValgrind() const {
     return running_on_valgrind_;
   }
@@ -706,6 +710,9 @@
   // available/usable.
   bool allow_dex_file_fallback_;
 
+  // List of supported cpu abis.
+  std::vector<std::string> cpu_abilist_;
+
   // Specifies target SDK version to allow workarounds for certain API levels.
   int32_t target_sdk_version_;