Bug 979548 - Enable robocop testSearchSuggestions on Android 2.3; r=me

mobile/android/base/tests/robocop.ini

@@ -81,8 +81,8 @@ skip-if = processor == "x86"
 # [testReaderMode] # see bug 913254, 936224
 [testReadingListProvider]
 [testSearchSuggestions]
-# disabled on x86 and 2.3; bug 907768, 979548
-skip-if = android_version == "10" || processor == "x86"
+# disabled on x86; bug 907768
+skip-if = processor == "x86"
 [testSessionOOMSave]
 # disabled on x86 and 2.3; bug 945395
 skip-if = android_version == "10" || processor == "x86"