Remove getPrimaryPhysicalDisplayId

SurfaceFlinger marks the first connected display as primary, which is
not really useful, and surfaceflinger should not care about this.

The display manager can decide whether a display is primary when needed.

Bug: 240703637
Test: atest libgui_test
Change-Id: Ie33fda8958da7985ceb17526f15a4ab6c6b19403

core/java/android/view/SurfaceControl.java

@@ -172,7 +172,6 @@ public final class SurfaceControl implements Parcelable {
     private static native boolean nativeGetAnimationFrameStats(WindowAnimationFrameStats outStats);
 
     private static native long[] nativeGetPhysicalDisplayIds();
-    private static native long nativeGetPrimaryPhysicalDisplayId();
     private static native IBinder nativeGetPhysicalDisplayToken(long physicalDisplayId);
     private static native IBinder nativeCreateDisplay(String name, boolean secure);
     private static native void nativeDestroyDisplay(IBinder displayToken);
@@ -2394,15 +2393,6 @@ public final class SurfaceControl implements Parcelable {
         return nativeGetPhysicalDisplayIds();
     }
 
-    /**
-     * Exposed to identify the correct display to apply the primary display orientation. Avoid using
-     * for any other purpose.
-     * @hide
-     */
-    public static long getPrimaryPhysicalDisplayId() {
-        return nativeGetPrimaryPhysicalDisplayId();
-    }
-
     /**
      * @hide
      */

core/jni/android_view_SurfaceControl.cpp

@@ -1116,12 +1116,6 @@ static jlongArray nativeGetPhysicalDisplayIds(JNIEnv* env, jclass clazz) {
     return array;
 }
 
-static jlong nativeGetPrimaryPhysicalDisplayId(JNIEnv* env, jclass clazz) {
-    PhysicalDisplayId displayId;
-    SurfaceComposerClient::getPrimaryPhysicalDisplayId(&displayId);
-    return static_cast<jlong>(displayId.value);
-}
-
 static jobject nativeGetPhysicalDisplayToken(JNIEnv* env, jclass clazz, jlong physicalDisplayId) {
     const auto id = DisplayId::fromValue<PhysicalDisplayId>(physicalDisplayId);
     if (!id) return nullptr;
@@ -2210,8 +2204,6 @@ static const JNINativeMethod sSurfaceControlMethods[] = {
             (void*)nativeSetDefaultFrameRateCompatibility},
     {"nativeGetPhysicalDisplayIds", "()[J",
             (void*)nativeGetPhysicalDisplayIds },
-    {"nativeGetPrimaryPhysicalDisplayId", "()J",
-            (void*)nativeGetPrimaryPhysicalDisplayId },
     {"nativeGetPhysicalDisplayToken", "(J)Landroid/os/IBinder;",
             (void*)nativeGetPhysicalDisplayToken },
     {"nativeCreateDisplay", "(Ljava/lang/String;Z)Landroid/os/IBinder;",