Goal: 1. let third party developer can use html text that include from their local image file and
animated image instead of only plain text to rich their content.
2. Avoid malicious links made by third party developer
Action: 1. Add html, static text, and animated image preferences.
2. Add android:AnimatedImageDrawable, and android:htmlDescription attributes.
3. Fine-tune interface and integration
4. Add custom tag filter
Bug: 136292241
Test: Maunal & make RunSettingsRoboTests
Change-Id: I82cd5319efb7faa1ff7e8354a279828fce5135b8
Bug: 129689483
Test: a11y CTS & unit tests
Test: manual
1. Install and enable an intentional crashed a11y service.
2. After it's crashed and malfunctioning, re-enable it.
3. Check if it's bound again.
Change-Id: Ifda4fddfbe9b38841f5cc143c32ab1d2f059350c
Intent can only open the list of a11y services in Settings currently.
PermissionController needs a way to open the screen with the a11y
service toggle.
Bug: 123693167
Test: manual
Test: atest AccessibilityDetailsSettingsFragmentTest
Change-Id: I32ed39330cf9e4c18a1747521fb65eb911d1c6e4
