Merge change Ic73ec39b into eclair

* changes:
  DO NOT MERGE. Implement WAR which should prevent the white square bug from appearing on user devices.  If we see a 0 texture id during bind for rendering, attempt to re-upload.  If this fails log debug info and restart the app.
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
index 79c003f..d9d9bfe 100644
--- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
+++ b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
@@ -246,8 +246,7 @@
     LOGI("version   : %s", glGetString(GL_VERSION));
     LOGI("extensions: %s", gl_extensions);
 
-    if (strstr(gl_renderer, "PowerVR SGX 530") ||
-        strstr(gl_renderer, "Adreno")) {
+    if (strstr(gl_renderer, "Adreno")) {
         LOGD("Assuming uncached graphics buffers.");
         mFlags &= ~CACHED_BUFFERS;
     }