Use subcontext for APEX configs from /{vendor, odm}

Instead of using config file path, use APEX's preinstalled path to
determine whether to use subcontext or not for APEX configs.

Bug: 232021354
Test: CtsInitTestCases, CtsBluetoothTestCases
Change-Id: Iba603f09602f0bec3113e2be3d15c62055c09e72
diff --git a/init/subcontext.h b/init/subcontext.h
index cb4138e..8acc032 100644
--- a/init/subcontext.h
+++ b/init/subcontext.h
@@ -46,7 +46,8 @@
     Result<void> Execute(const std::vector<std::string>& args);
     Result<std::vector<std::string>> ExpandArgs(const std::vector<std::string>& args);
     void Restart();
-    bool PathMatchesSubcontext(const std::string& path);
+    bool PathMatchesSubcontext(const std::string& path) const;
+    void SetApexList(std::vector<std::string>&& apex_list);
 
     const std::string& context() const { return context_; }
     pid_t pid() const { return pid_; }
@@ -56,6 +57,7 @@
     Result<SubcontextReply> TransmitMessage(const SubcontextCommand& subcontext_command);
 
     std::vector<std::string> path_prefixes_;
+    std::vector<std::string> apex_list_;
     std::string context_;
     pid_t pid_;
     android::base::unique_fd socket_;