Fix a couple high contrast CTS tests

Emoji fonts are allowed to vary by default. We could
try to find the NotoEmoji font specifically, but it's
easier to just not have an emoji in this test

Bug: 413638170
Test: this
Flag: EXEMPT test fix
Change-Id: I0d34fc5f5239d998ee815a82f6a6c105b66a833d
diff --git a/tests/tests/uirendering/res/drawable-nodpi/golden_hct_disabled_canvas_draw_text.png b/tests/tests/uirendering/res/drawable-nodpi/golden_hct_disabled_canvas_draw_text.png
index 45c9809..a6f701b 100644
--- a/tests/tests/uirendering/res/drawable-nodpi/golden_hct_disabled_canvas_draw_text.png
+++ b/tests/tests/uirendering/res/drawable-nodpi/golden_hct_disabled_canvas_draw_text.png
Binary files differ
diff --git a/tests/tests/uirendering/res/drawable-nodpi/golden_hct_enabled_canvas_draw_text.png b/tests/tests/uirendering/res/drawable-nodpi/golden_hct_enabled_canvas_draw_text.png
index 5adc117..a380a7b 100644
--- a/tests/tests/uirendering/res/drawable-nodpi/golden_hct_enabled_canvas_draw_text.png
+++ b/tests/tests/uirendering/res/drawable-nodpi/golden_hct_enabled_canvas_draw_text.png
Binary files differ
diff --git a/tests/tests/uirendering/src/android/uirendering/cts/testclasses/TextViewHighContrastTextTests.kt b/tests/tests/uirendering/src/android/uirendering/cts/testclasses/TextViewHighContrastTextTests.kt
index 3620ac2..179abc4 100644
--- a/tests/tests/uirendering/src/android/uirendering/cts/testclasses/TextViewHighContrastTextTests.kt
+++ b/tests/tests/uirendering/src/android/uirendering/cts/testclasses/TextViewHighContrastTextTests.kt
@@ -238,8 +238,9 @@
         private const val REGULAR_THRESHOLD = 0.92
 
         // Representative characters including some from Unicode 7
+        // Avoid using emoji as the representation of those is non-standard and can vary by OEM
         private const val TEST_STRING1 = "Hambu"
-        private const val TEST_STRING2 = "🤪 \u20bd"
+        private const val TEST_STRING2 = "\u20bd"
         private const val TEST_STRING3 = "\u20b9\u0186\u0254\u1e24\u1e43"
 
         private const val ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED = "high_text_contrast_enabled"