Change String to CharSequence in #loadSummary.

Per API council review, localized strings should return CharSequence. Changes here
account for the different type returned.

Test: ag/1813674

Bug: 37723508

Change-Id: I7dacab8af48932db031de22835b65eba30393956
diff --git a/src/com/android/settings/accessibility/AccessibilitySettings.java b/src/com/android/settings/accessibility/AccessibilitySettings.java
index ac618d0..9f5e031 100644
--- a/src/com/android/settings/accessibility/AccessibilitySettings.java
+++ b/src/com/android/settings/accessibility/AccessibilitySettings.java
@@ -477,7 +477,7 @@
             final String serviceState = serviceEnabled ?
                     getString(R.string.accessibility_summary_state_enabled) :
                     getString(R.string.accessibility_summary_state_disabled);
-            final String serviceSummary = info.loadSummary(getPackageManager());
+            final CharSequence serviceSummary = info.loadSummary(getPackageManager());
             final String stateSummaryCombo = getString(
                     R.string.accessibility_summary_default_combination,
                     serviceState, serviceSummary);
diff --git a/src/com/android/settings/accessibility/ShortcutServicePickerFragment.java b/src/com/android/settings/accessibility/ShortcutServicePickerFragment.java
index 8b6d52a..37f6546 100644
--- a/src/com/android/settings/accessibility/ShortcutServicePickerFragment.java
+++ b/src/com/android/settings/accessibility/ShortcutServicePickerFragment.java
@@ -67,7 +67,7 @@
             candidates.add(new DefaultAppInfo(mPm,
                     UserHandle.myUserId(),
                     installedServiceInfo.getComponentName(),
-                    installedServiceInfo.loadSummary(mPm.getPackageManager()),
+                    (String) installedServiceInfo.loadSummary(mPm.getPackageManager()),
                     true /* enabled */));
         }