Update status for analyze strong mode

tests/lib_strong/lib_strong.status

Index: tests/lib_strong/lib_strong.status
diff --git a/tests/lib_strong/lib_strong.status b/tests/lib_strong/lib_strong.status
index e5c5d8197c8296d5ed3f7d43499091d7c55bcc60..1523cfc3bba7122572288c694cddb297d948089e 100644
--- a/tests/lib_strong/lib_strong.status
+++ b/tests/lib_strong/lib_strong.status
@@ -132,40 +132,10 @@ typed_data/float64x2_functional_test: Skip
 typed_data/int32x4_test: Skip
 
 [ $compiler == dart2analyzer && $strong ]
-convert/ascii_test: StaticWarning # Issue 28969
-convert/chunked_conversion_json_decode1_test: StaticWarning # Issue 28969
-convert/chunked_conversion_utf82_test: StaticWarning # Issue 28969
-convert/chunked_conversion_utf83_test: StaticWarning # Issue 28969
-convert/chunked_conversion_utf85_test: StaticWarning # Issue 28969
-convert/encoding_test: StaticWarning # Issue 28969
-convert/json_utf8_chunk_test: StaticWarning # Issue 28969
-convert/latin1_test: StaticWarning # Issue 28969
-convert/streamed_conversion_json_utf8_decode_test: StaticWarning # Issue 28969
-convert/streamed_conversion_json_utf8_encode_test: StaticWarning # Issue 28969
-convert/streamed_conversion_utf8_decode_test: StaticWarning # Issue 28969
-convert/streamed_conversion_utf8_encode_test: StaticWarning # Issue 28969
-convert/utf8_encode_test: StaticWarning # Issue 28969
-convert/utf8_test: StaticWarning # Issue 28969
-html/canvas_test: StaticWarning # Issue 28969
-html/canvasrenderingcontext2d_test: StaticWarning # Issue 28969
-html/cross_domain_iframe_test: StaticWarning # Issue 28969
-html/cssstyledeclaration_test: StaticWarning # Issue 28969
 html/custom/created_callback_test: CompileTimeError # Issue 28969
 html/custom/document_register_basic_test: CompileTimeError # Issue 28969
 html/custom/document_register_type_extensions_test: CompileTimeError # Issue 28969
 html/custom/element_upgrade_test: CompileTimeError # Issue 28969
 html/debugger_test: CompileTimeError # Issue 28969
-html/element_animate_test: StaticWarning # Issue 28969
-html/form_data_test: StaticWarning # Issue 28969
-html/history_test: StaticWarning # Issue 28969
-html/indexeddb_2_test: StaticWarning # Issue 28969
-html/js_interop_1_test: StaticWarning # Issue 28969
 html/js_typed_interop_default_arg_test/default_value: MissingCompileTimeError # Issue 28969
-html/native_gc_test: StaticWarning # Issue 28969
-html/request_animation_frame_test: StaticWarning # Issue 28969
-html/transition_event_test: StaticWarning # Issue 28969
-html/url_test: StaticWarning # Issue 28969
-html/wheelevent_test: StaticWarning # Issue 28969
-html/worker_test: StaticWarning # Issue 28969
-html/xhr_test: StaticWarning # Issue 28969
 mirrors/deferred_mirrors_metadata_test: StaticWarning # Issue 28969