Apply new settings widget lib for the cbr main feature switch

apply the new settings widget lib for the emergency alert main feature
switch.

Bug: 183574149
Test: Manual
Change-Id: Idfdb2696056faf3dbe4ccb0061f2b61c33e94292
diff --git a/packages/SettingsLib/MainSwitchPreference/Android.bp b/packages/SettingsLib/MainSwitchPreference/Android.bp
index 76d1ea7..fc06fdc 100644
--- a/packages/SettingsLib/MainSwitchPreference/Android.bp
+++ b/packages/SettingsLib/MainSwitchPreference/Android.bp
@@ -21,4 +21,8 @@
 
     sdk_version: "system_current",
     min_sdk_version: "28",
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.cellbroadcast",
+    ],
 }
diff --git a/packages/SettingsLib/MainSwitchPreference/lint-baseline.xml b/packages/SettingsLib/MainSwitchPreference/lint-baseline.xml
deleted file mode 100644
index 0a5eb52..0000000
--- a/packages/SettingsLib/MainSwitchPreference/lint-baseline.xml
+++ /dev/null
@@ -1,108 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
-
-    <issue
-        id="NewApi"
-        message="`@android:id/switch_widget` requires API level 24 (current min is 21)"
-        errorLine1="        android:id=&quot;@android:id/switch_widget&quot;"
-        errorLine2="        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/layout/settingslib_main_switch_bar.xml"
-            line="49"
-            column="9"/>
-    </issue>
-
-    <issue
-        id="NewApi"
-        message="`@android:style/Widget.Material.CompoundButton.Switch` requires API level 24 (current min is 21)"
-        errorLine1="    &lt;style name=&quot;MainSwitch.Settingslib&quot; parent=&quot;@android:style/Widget.Material.CompoundButton.Switch&quot;>"
-        errorLine2="                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/values/styles.xml"
-            line="24"
-            column="39"/>
-    </issue>
-
-    <issue
-        id="NewApi"
-        message="`@android:style/Widget.Material.CompoundButton.Switch` requires API level 24 (current min is 21)"
-        errorLine1="    &lt;style name=&quot;SwitchBar.Switch.Settingslib&quot; parent=&quot;@android:style/Widget.Material.CompoundButton.Switch&quot;>"
-        errorLine2="                                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/values/styles.xml"
-            line="28"
-            column="43"/>
-    </issue>
-
-    <issue
-        id="NewApi"
-        message="`android:trackTint` requires API level 23 (current min is 21)"
-        errorLine1="        &lt;item name=&quot;android:trackTint&quot;>@color/settingslib_switchbar_switch_track_tint&lt;/item>"
-        errorLine2="              ~~~~~~~~~~~~~~~~~~~~~~~~">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/values/styles.xml"
-            line="29"
-            column="15"/>
-    </issue>
-
-    <issue
-        id="NewApi"
-        severity="Error"
-        message="`@android:color/system_neutral2_300` requires API level 31 (current min is 21)"
-        errorLine1="    &lt;color name=&quot;settingslib_thumb_off_color&quot;>@android:color/system_neutral2_300&lt;/color>"
-        errorLine2="                                              ^">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/values-night/colors.xml"
-            line="23"
-            column="47"/>
-    </issue>
-
-    <issue
-        id="NewApi"
-        severity="Error"
-        message="`@android:color/system_accent2_700` requires API level 31 (current min is 21)"
-        errorLine1="    &lt;color name=&quot;settingslib_track_on_color&quot;>@android:color/system_accent2_700&lt;/color>"
-        errorLine2="                                             ^">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/values-night/colors.xml"
-            line="26"
-            column="46"/>
-    </issue>
-
-    <issue
-        id="NewApi"
-        severity="Error"
-        message="`@android:color/system_neutral1_700` requires API level 31 (current min is 21)"
-        errorLine1="    &lt;color name=&quot;settingslib_track_off_color&quot;>@android:color/system_neutral1_700&lt;/color>"
-        errorLine2="                                              ^">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/values-night/colors.xml"
-            line="29"
-            column="47"/>
-    </issue>
-
-    <issue
-        id="NewApi"
-        severity="Error"
-        message="`@android:color/system_neutral2_100` requires API level 31 (current min is 21)"
-        errorLine1="    &lt;color name=&quot;settingslib_thumb_off_color&quot;>@android:color/system_neutral2_100&lt;/color>"
-        errorLine2="                                              ^">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/values/colors.xml"
-            line="30"
-            column="47"/>
-    </issue>
-
-    <issue
-        id="NewApi"
-        severity="Error"
-        message="`@android:color/system_neutral2_600` requires API level 31 (current min is 21)"
-        errorLine1="    &lt;color name=&quot;settingslib_track_off_color&quot;>@android:color/system_neutral2_600&lt;/color>"
-        errorLine2="                                              ^">
-        <location
-            file="frameworks/base/packages/SettingsLib/MainSwitchPreference/res/values/colors.xml"
-            line="36"
-            column="47"/>
-    </issue>
-
-</issues>