FrameRateCtsActivity: don't try to set frame rate for different resolutions

setFrameRate should never change resolution, and the test should not test
that scenatio.

Bug: 311617937
Test: atest CtsGraphicsTestCases.android.graphics.cts.SetFrameRateTest
Test: presubmit
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d371e84ab64866df2a51bac252d669ca32b696b8)
Merged-In: Iab06510f7b0e930c7f5ac4589de6238afd43d13a
Change-Id: Iab06510f7b0e930c7f5ac4589de6238afd43d13a

Author: adyabr

tests/tests/graphics/src/android/graphics/cts/FrameRateCtsActivity.java

@@ -440,7 +440,8 @@ private List<Float> getSeamedRefreshRates(Display.Mode mode, Display display) {
         List<Float> seamedRefreshRates = new ArrayList<>();
         Display.Mode[] modes = display.getSupportedModes();
         for (Display.Mode otherMode : modes) {
-            if (!DisplayUtil.isModeSwitchSeamless(mode, otherMode)) {
+            if (hasSameResolution(mode, otherMode)
+                    && !DisplayUtil.isModeSwitchSeamless(mode, otherMode)) {
                 seamedRefreshRates.add(otherMode.getRefreshRate());
             }
         }