Add getDisplayViewport for screenrecord tool

Bug: b/112869712
Test: adb shell screenrecord
Change-Id: I9f3f99de1a5bafc5318b24484f1916d28dcdfaa7
Merged-In: I9f3f99de1a5bafc5318b24484f1916d28dcdfaa7
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 63560c4..f3c6fd2 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -718,6 +718,10 @@
     return NO_ERROR;
 }
 
+status_t SurfaceComposerClient::getDisplayViewport(const sp<IBinder>& display, Rect* outViewport) {
+    return ComposerService::getComposerService()->getDisplayViewport(display, outViewport);
+}
+
 int SurfaceComposerClient::getActiveConfig(const sp<IBinder>& display) {
     return ComposerService::getComposerService()->getActiveConfig(display);
 }