SF: Remove PhysicalDisplayId::getPort()

Work towards DisplayId opaqueness by eliminating call-sites to APIs that
parse the display ID values directly.

This CL removes PhysicalDisplayId::getPort from the PhysicalDislayId
interface entirely. The only call-sites that are dependant on port are
replaced with getting the port info via StaticDisplayInfo.

Flag: com.android.graphics.surfaceflinger.flags.stable_edid_ids
Bug: 390689635
Test: libsurfaceflinger_unittest
Change-Id: I92ea4850b158f9c49dff9166a9b61565ad4537d7
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index e407a63..9854274 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -2766,6 +2766,7 @@
     if (status.isOk()) {
         // convert gui::StaticDisplayInfo to ui::StaticDisplayInfo
         outInfo->connectionType = static_cast<ui::DisplayConnectionType>(ginfo.connectionType);
+        outInfo->port = ginfo.port;
         outInfo->density = ginfo.density;
         outInfo->secure = ginfo.secure;
         outInfo->installOrientation = static_cast<ui::Rotation>(ginfo.installOrientation);
diff --git a/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl b/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl
index 0ccda56..7ff332c 100644
--- a/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl
+++ b/libs/gui/aidl/android/gui/StaticDisplayInfo.aidl
@@ -23,6 +23,7 @@
 /** @hide */
 parcelable StaticDisplayInfo {
     DisplayConnectionType connectionType = DisplayConnectionType.Internal;
+    int port = -1;
     float density;
     boolean secure;
     @nullable DeviceProductInfo deviceProductInfo;