Content_shell test failures on Android.

[whesse]

We now have a public buildbot building content_shell with Dart on Android, and running tests on an attached device. About 40 tests are failing - these should be triaged and individual bugs filed for them (and the bugs fixed).

Adding suppressions to the status files, labeled with this bug number.

[whesse]

Here are the status file changes with this issue number:

samples/samples.status:
    third_party/todomvc/test/listorder_test: Pass, RuntimeError, Timeout # Issue #18931, Issue #19127

tests/co19/co19-dartium.status:
    LibTest/html/Element/getBoundingClientRect_A01_t02: RuntimeError # Issue #19127.

tests/html/html.status:
    html/mouse_event_test: Skip # Times out. Issue #19127
    css_test/supportsPointConversions # Times out. Issue #19127
    canvasrenderingcontext2d_test/drawImage_video_element: RuntimeError # Issue #19127
    canvasrenderingcontext2d_test/drawImage_video_element_dataUrl: RuntimeError # Issue #19127

[a-siva]

Adding couple of more tests to the status file as they are timing out too.
websocket_test/websocket: Skip # Times out. Issue #19127
element_offset_test/offset: Skip # Issue #19127, 17550

[whesse]

Copying the timeouts from issue #19276 to this issue, and closing 19276.

Adding two new timeouts:
html/typed_arrays_range_checks_test
html/websocket_test/supported

Copied from 19276
Always time out:
html/css_test/functional
html/blob_constructor_test

timed out more than once:
isolate/nested_spawn2_test
lib/mirrors/mirrors_reader_test
language/function_subtype_local1_test

only timed out once:
language/closure7_test
language/abstract_exact_selector_test/01
lib/mirrors/lazy_static_test

[whesse]

Issue #19276 has been merged into this issue.

[whesse]

Some of these timeouts were due to the tests running after
html/audiocontext_test/functional and
html/audiobuffersourcenode_test/functional.

These two tests make whatever test follows them on the phone, hang.

Removing the timeout marker from

html/typed_arrays_range_checks_test
html/websocket_test/supported
html/websocket_test/websocket
html/blob_constructor_test
html/css_test/functional
history_test/supported_state
indexeddb_5_test

Leaving the skip for
element_offset_test/offset: Skip # Issue #19127, 17550

Adding skips for
lib/mirrors/deferred_mirrors_metadata_test: Skip # Times out. Issue #19129
lib/mirrors/deferred_mirrors_metatarget_test: Fail # Issue #16898
and
html/audiocontext_test/functional
html/audiobuffersourcenode_test/functional