Enable protected contents in GPU composition by default.

BUG: b/35315015, b/127862411
Test: Verify with Youtube protected videos.
Change-Id: If6af53dafbd1026db22f3f18ec7e277c53dbc56e
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 2ba55b5..0698e2c 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -3248,8 +3248,7 @@
     const auto& displayState = display->getState();
     const auto displayId = display->getId();
     auto& renderEngine = getRenderEngine();
-    const bool supportProtectedContent =
-            mDebugEnableProtectedContent && renderEngine.supportsProtectedContent();
+    const bool supportProtectedContent = renderEngine.supportsProtectedContent();
 
     const Region bounds(displayState.bounds);
     const DisplayRenderArea renderArea(displayDevice);
@@ -5326,11 +5325,6 @@
                 }
                 return NO_ERROR;
             }
-            case 1032: {
-                n = data.readInt32();
-                mDebugEnableProtectedContent = n;
-                return NO_ERROR;
-            }
             // Set trace flags
             case 1033: {
                 n = data.readUint32();
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 176c65d..5cd0f21 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -995,7 +995,6 @@
     int mDebugRegion = 0;
     bool mDebugDisableHWC = false;
     bool mDebugDisableTransformHint = false;
-    bool mDebugEnableProtectedContent = false;
     volatile nsecs_t mDebugInTransaction = 0;
     bool mForceFullDamage = false;
     bool mPropagateBackpressure = true;