Revert "Drop rikkax appcompat"

This reverts commit f9aad6ce9c.

app/build.gradle

@@ -126,6 +126,7 @@ dependencies {
     implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.9.3'
     implementation 'com.takisoft.preferencex:preferencex:1.1.0'
     implementation 'com.gitlab.NekoInverter:yorozuya:723dc867a9'
+    implementation 'dev.rikka.rikkax.appcompat:appcompat:1.4.1'
     implementation 'dev.rikka.rikkax.material:material:2.4.0'
     implementation 'dev.rikka.rikkax.preference:simplemenu-preference:1.0.3'
     implementation 'org.ccil.cowan.tagsoup:tagsoup:1.2.1'
@@ -149,5 +150,6 @@ configurations.all {
         exclude group: 'com.github.seven332', module: 'okhttp'
         exclude group: 'com.github.seven332', module: 'image'
         exclude group: 'com.github.seven332', module: 'yorozuya'
+        exclude group: 'androidx.appcompat', module: 'appcompat'
     }
 }