ANGLE is part of system image.

Remove the usage of a property to check whether ANGLE is present now
that ANGLE is part of system image. Always assume it exists.

Bug: b/293503000
Test: atest CtsAngleIntegrationHostTestCases -c
Change-Id: I32af9ff4682470037bfbbfac68f6db2d210f9485
diff --git a/core/java/android/os/GraphicsEnvironment.java b/core/java/android/os/GraphicsEnvironment.java
index a07735e..8fcff78 100644
--- a/core/java/android/os/GraphicsEnvironment.java
+++ b/core/java/android/os/GraphicsEnvironment.java
@@ -117,8 +117,6 @@
     private static final String ANGLE_GL_DRIVER_CHOICE_NATIVE = "native";
     private static final String SYSTEM_ANGLE_STRING = "system";
 
-    private static final String PROPERTY_RO_ANGLE_SUPPORTED = "ro.gfx.angle.supported";
-
     private ClassLoader mClassLoader;
     private String mLibrarySearchPaths;
     private String mLibraryPermittedPaths;
@@ -620,8 +618,7 @@
     }
 
     /**
-     * Attempt to set up ANGLE from system, if the apk can be found, pass ANGLE details to
-     * the C++ GraphicsEnv class.
+     * Set up ANGLE from system.
      *
      * @param context - Context of the application.
      * @param bundle - Bundle of the application.
@@ -630,14 +627,8 @@
      *         false: can not set up to use system ANGLE because it doesn't exist.
      */
     private boolean setupAngleFromSystem(Context context, Bundle bundle, String packageName) {
-        final boolean systemAngleSupported = SystemProperties
-                                             .getBoolean(PROPERTY_RO_ANGLE_SUPPORTED, false);
-        if (!systemAngleSupported) {
-            return false;
-        }
-
-        // If we make it to here, system ANGLE will be used.  Call nativeSetAngleInfo() with
-        // the application package name and ANGLE features to use.
+        // System ANGLE always exists, call nativeSetAngleInfo() with the application package
+        // name and ANGLE features to use.
         final String[] features = getAngleEglFeatures(context, bundle);
         nativeSetAngleInfo(SYSTEM_ANGLE_STRING, false, packageName, features);
         return true;