[SurfaceFlinger] Fix SurfaceInterceptorTest

Previously, SurfaceInterceptorTest was broken because Layer name returns the
unqiue name generated by SurfaceFlinger instead of the original surface name.
This patch fixes SurfaceInterceptorTest.

BUG: 65297248
Test: adb shell /data/nativetest64/SurfaceFlinger_test/SurfaceFlinger_test
Change-Id: Ic2b50b58e45e2f35dabe0a7787e1d2f48dc692ae
1 file changed