Remove dependency to most of libutils

Most of libutils is replaced by using the STL,
this is fine in this case because none of it
leaks out of EGL’s internals.

Test: compiled & run
Bug: vndk-stable

Change-Id: I42ded4043ddc98ed7eaa975fbbb2e754cd3219af
diff --git a/opengl/libs/EGL/egl_display.h b/opengl/libs/EGL/egl_display.h
index f5e7294..661f47e 100644
--- a/opengl/libs/EGL/egl_display.h
+++ b/opengl/libs/EGL/egl_display.h
@@ -21,14 +21,15 @@
 #include <stdint.h>
 #include <stddef.h>
 
+#include <condition_variable>
+#include <mutex>
+#include <string>
+#include <unordered_set>
+
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
 #include <cutils/compiler.h>
-#include <utils/SortedVector.h>
-#include <utils/Condition.h>
-#include <utils/Mutex.h>
-#include <utils/String8.h>
 
 #include "egldefs.h"
 #include "../hooks.h"
@@ -80,10 +81,10 @@
     inline bool isValid() const { return magic == '_dpy'; }
     inline bool isAlive() const { return isValid(); }
 
-    char const * getVendorString() const { return mVendorString.string(); }
-    char const * getVersionString() const { return mVersionString.string(); }
-    char const * getClientApiString() const { return mClientApiString.string(); }
-    char const * getExtensionString() const { return mExtensionString.string(); }
+    char const * getVendorString() const { return mVendorString.c_str(); }
+    char const * getVersionString() const { return mVersionString.c_str(); }
+    char const * getClientApiString() const { return mClientApiString.c_str(); }
+    char const * getExtensionString() const { return mExtensionString.c_str(); }
 
     bool haveExtension(const char* name, size_t nameLen = 0) const;
 
@@ -116,13 +117,14 @@
 
             uint32_t                    refs;
             bool                        eglIsInitialized;
-    mutable Mutex                       lock, refLock;
-    mutable Condition                   refCond;
-            SortedVector<egl_object_t*> objects;
-            String8 mVendorString;
-            String8 mVersionString;
-            String8 mClientApiString;
-            String8 mExtensionString;
+    mutable std::mutex                  lock;
+    mutable std::mutex                  refLock;
+    mutable std::condition_variable     refCond;
+            std::unordered_set<egl_object_t*> objects;
+            std::string mVendorString;
+            std::string mVersionString;
+            std::string mClientApiString;
+            std::string mExtensionString;
 };
 
 // ----------------------------------------------------------------------------