Fixing tests on android. (dotnet#36788)

The linker was removing the icu shim functions even exporting them. The unique solution that we found until now is to force the linking using the -u flag.
This is a temporary fix until we don't implement QCalls.
Fixes dotnet#36685

src/mono/mono/metadata/native-library.c

@@ -1272,7 +1272,7 @@ lookup_pinvoke_call_impl (MonoMethod *method, MonoLookupPInvokeStatus *status_ou
 			new_scope = g_strdup ("libcoreclr.dylib");
 #else			
 #if defined(TARGET_ANDROID)
-			new_scope = g_strdup ("libmonosgen-2.0.so");
+			new_scope = g_strdup ("libruntime-android.so");
 #else
 			new_scope = g_strdup ("libcoreclr.so");
 #endif

tools-local/tasks/mobile.tasks/AndroidAppBuilder/Templates/CMakeLists-android.txt

@@ -13,4 +13,14 @@ target_link_libraries(
     runtime-android
     %NativeLibrariesToLink%
     libz.so
-    log)
+    log
+    "-u GlobalizationNative_LoadICU"
+    "-u GlobalizationNative_GetLatestJapaneseEra"
+    "-u GlobalizationNative_ChangeCase"
+    "-u GlobalizationNative_CloseSortHandle"
+    "-u GlobalizationNative_GetLocales"
+    "-u GlobalizationNative_GetLocaleInfoInt"
+    "-u GlobalizationNative_GetLocaleTimeFormat"
+    "-u GlobalizationNative_ToUnicode"
+    "-u GlobalizationNative_NormalizeString"
+    "-u GlobalizationNative_GetTimeZoneDisplayName")