[Accessibility] Management short-term issues

[cjcenizal]

Let's try to address these for 6.0.0.

• Info button on Management page Accessibility: Info button on Management page #11526 (PR [Management] Improve accessibility within management #13364)
• Management main header needs an h* tag, as well as an id and tabindex=0 Management main header needs an h* tag, as well as an id and tabindex=0 #12861 (PR [Management] Improve accessibility within management #13364)
• [Accessibility] Table sort / info not accessible via keyboard [Accessibility] Management Table sort / info not accessible via keyboard #12862 (PR [Management] Improve accessibility within management #13364)
• [Accessibility] Management Labels are not properly paired with Form Fields [Accessibility] Management Field Labels are not properly paired with Form Fields #12863 (PR [Management] Improve accessibility within management #13364)
• [Accessibility] Warning about Management Format field ignored by screen readers [Accessibility] Warning about Management Format field ignored by screen readers #12864
• [Accessibility] Management Popularity Field "plus" and "minus" should be read as "increment popularity" and "decrement popularity" [Accessibility] Management Popularity Field "plus" and "minus" should be read as "increment popularity" and "decrement popularity" #12865 (PR [Management] Improve accessibility within management #13364)
• [Accessibility] Saved Objects Search Field needs role=search [Accessibility] Saved Objects Search Field needs role=search #12868 (PR [Management] Improve accessibility within management #13364)
• [Accessibility] Saved Objects "Select All" checkbox missing screen reader text [Accessibility] Saved Objects "Select All" checkbox missing screen reader text #12870 (PR [Management] Improve accessibility within management #13364)
• [Accessibility] Edit buttons in Management Advanced Settings provide no context for screen reader [Accessibility] Edit buttons in Management Advanced Settings provide no context for screen reader #12872 (PR Adds getAriaName function and applies it to advanced settings #13448)

[cjcenizal]

CC @BigFunger @ycombinator @skearns64 @chrisronline

[chrisronline]

Some of the work: #13364

[tsullivan]

I filed this issue for replacing title attributes with tooltips: https://github.com/elastic/x-pack-kibana/issues/2264

[timroes]

Everything that will not make it into 6.0 anymore, should be moved to the Phase 2 meta: #13556