android: Explicitly pull in androidx.localbroadcastmanager

Seems to not get pulled in automatically anymore.  This has actually been
deprecated for years apparently.  Unfortunately, it's not that easy to
replace, so keep it for now.

src/frontends/android/app/build.gradle

@@ -49,6 +49,7 @@ dependencies {
     implementation 'androidx.core:core:1.17.0'
     implementation 'androidx.lifecycle:lifecycle-process:2.9.4'
     implementation 'androidx.preference:preference:1.2.1'
+    implementation 'androidx.localbroadcastmanager:localbroadcastmanager:1.1.0'
     implementation 'com.google.android.material:material:1.13.0'
     testImplementation 'junit:junit:4.13.2'
     testImplementation 'org.assertj:assertj-core:3.27.6'