Restore AppCompat themes for some material components (LawnchairLaunc…

…her#4811)

We still rely on them for using material views.

```
java.lang.IllegalArgumentException: The style on this component requires your app theme to be Theme.AppCompat (or a descendant).
	at com.google.android.material.internal.ThemeEnforcement.checkTheme(ThemeEnforcement.java:247)
	at com.google.android.material.internal.ThemeEnforcement.checkAppCompatTheme(ThemeEnforcement.java:212)
	at com.google.android.material.internal.ThemeEnforcement.checkCompatibleTheme(ThemeEnforcement.java:147)
	at com.google.android.material.internal.ThemeEnforcement.obtainStyledAttributes(ThemeEnforcement.java:76)
	at com.google.android.material.progressindicator.BaseProgressIndicatorSpec.<init>(BaseProgressIndicatorSpec.java:92)
	at com.google.android.material.progressindicator.CircularProgressIndicatorSpec.<init>(CircularProgressIndicatorSpec.java:76)
	at com.google.android.material.progressindicator.CircularProgressIndicatorSpec.<init>(CircularProgressIndicatorSpec.java:68)
	at com.google.android.material.progressindicator.CircularProgressIndicatorSpec.<init>(CircularProgressIndicatorSpec.java:63)
	at com.google.android.material.progressindicator.CircularProgressIndicator.createSpec(CircularProgressIndicator.java:87)
	at com.google.android.material.progressindicator.CircularProgressIndicator.createSpec(CircularProgressIndicator.java:58)
	at com.google.android.material.progressindicator.BaseProgressIndicator.<init>(BaseProgressIndicator.java:144)
	at com.google.android.material.progressindicator.CircularProgressIndicator.<init>(CircularProgressIndicator.java:78)
	at com.google.android.material.progressindicator.CircularProgressIndicator.<init>(CircularProgressIndicator.java:73)
	at com.google.android.material.progressindicator.CircularProgressIndicator.<init>(CircularProgressIndicator.java:69)
	at app.lawnchair.views.LauncherPreviewView.<init>(LauncherPreviewView.kt:46)
	at app.lawnchair.backup.ui.CreateBackupViewModel.captureScreenshot(CreateBackupViewModel.kt:58)
	at app.lawnchair.backup.ui.CreateBackupViewModel.access$captureScreenshot(CreateBackupViewModel.kt:24)
	at app.lawnchair.backup.ui.CreateBackupViewModel$1.invokeSuspend(CreateBackupViewModel.kt:38)
```

lawnchair/res/values-night/themes.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <style name="Theme.Lawnchair" parent="Base.Theme.Lawnchair">
+        <item name="android:colorBackground">#ff121212</item>
+        <item name="android:windowLightStatusBar" >false</item>
+        <item name="android:windowLightNavigationBar" tools:ignore="NewApi">false</item>
+    </style>
+</resources>

lawnchair/res/values/themes.xml

@@ -11,14 +11,14 @@
         <item name="android:colorBackground">@color/white_50</item>
     </style>
 
-    <style name="Base.Theme.MaterialThemeBuilder" parent="android:Theme.Material.Light.NoActionBar">
+    <style name="Base.Theme.MaterialThemeBuilder" parent="Theme.AppCompat.DayNight.NoActionBar">
         <item name="android:statusBarColor" tools:ignore="NewApi">?android:attr/colorBackground</item>
         <item name="android:windowLightStatusBar" tools:ignore="NewApi">true</item>
         <item name="android:navigationBarColor" tools:ignore="NewApi">?android:attr/colorBackground</item>
         <item name="android:windowLightNavigationBar" tools:ignore="NewApi">true</item>
     </style>
 
-    <style name="Theme.Transparent" parent="android:Theme.Material.Light">
+    <style name="Theme.Transparent" parent="Theme.AppCompat.Light">
         <item name="android:windowIsTranslucent">true</item>
         <item name="android:windowAnimationStyle">@null</item>
         <item name="android:windowBackground">@android:color/transparent</item>