fix GB half-screen cropping

Closes #3848
// FREEBIE

src/org/thoughtcrime/securesms/components/camera/QuickCamera.java

@@ -8,6 +8,7 @@ import android.hardware.Camera.CameraInfo;
 import android.hardware.Camera.Parameters;
 import android.hardware.Camera.Size;
 import android.os.AsyncTask;
+import android.os.Build.VERSION;
 import android.os.Build.VERSION_CODES;
 import android.support.annotation.NonNull;
 import android.util.AttributeSet;
@@ -122,8 +123,14 @@ import java.util.List;
     }
     final float newWidth  = visibleRect.width()  * scale;
     final float newHeight = visibleRect.height() * scale;
-    final float centerX   = previewWidth         / 2;
+    final float centerX;
     final float centerY   = previewHeight        / 2;
+    if (VERSION.SDK_INT < VERSION_CODES.ICE_CREAM_SANDWICH) {
+      centerX = previewWidth - newWidth / 2;
+    } else {
+      centerX = previewWidth / 2;
+    }
+
     visibleRect.set((int) (centerX - newWidth  / 2),
                     (int) (centerY - newHeight / 2),
                     (int) (centerX + newWidth  / 2),