renderengine: move away from "new"

Replace "new" by either of std::vector or std::make_unique.

Bug: 115738279
Test: boots
Change-Id: I45704b34d668198ece741894829d752035dafff6
diff --git a/services/surfaceflinger/RenderEngine/gl/GLES20RenderEngine.cpp b/services/surfaceflinger/RenderEngine/gl/GLES20RenderEngine.cpp
index b94cdca..5c4c3d5 100644
--- a/services/surfaceflinger/RenderEngine/gl/GLES20RenderEngine.cpp
+++ b/services/surfaceflinger/RenderEngine/gl/GLES20RenderEngine.cpp
@@ -116,28 +116,27 @@
                                          EGLint wanted, EGLConfig* outConfig) {
     EGLint numConfigs = -1, n = 0;
     eglGetConfigs(dpy, nullptr, 0, &numConfigs);
-    EGLConfig* const configs = new EGLConfig[numConfigs];
-    eglChooseConfig(dpy, attrs, configs, numConfigs, &n);
+    std::vector<EGLConfig> configs(numConfigs, EGL_NO_CONFIG_KHR);
+    eglChooseConfig(dpy, attrs, configs.data(), configs.size(), &n);
+    configs.resize(n);
 
-    if (n) {
+    if (!configs.empty()) {
         if (attribute != EGL_NONE) {
-            for (int i = 0; i < n; i++) {
+            for (EGLConfig config : configs) {
                 EGLint value = 0;
-                eglGetConfigAttrib(dpy, configs[i], attribute, &value);
+                eglGetConfigAttrib(dpy, config, attribute, &value);
                 if (wanted == value) {
-                    *outConfig = configs[i];
-                    delete[] configs;
+                    *outConfig = config;
                     return NO_ERROR;
                 }
             }
         } else {
             // just pick the first one
             *outConfig = configs[0];
-            delete[] configs;
             return NO_ERROR;
         }
     }
-    delete[] configs;
+
     return NAME_NOT_FOUND;
 }