{seedvault|storage}: Add explicit dependencies for androidx.{fragment|activity}

Fixes: E AndroidRuntime: FATAL EXCEPTION: main
    E AndroidRuntime: Process: com.stevesoltys.seedvault, PID: 6688
    E AndroidRuntime: java.lang.NoClassDefFoundError: Failed resolution of:
            Landroidx/fragment/app/FragmentViewModelLazyKt;
Change-Id: I74d9cc78739db8496865439b9dcc2c31dc4b5416
diff --git a/Android.bp b/Android.bp
index 951547c..cb2c185 100644
--- a/Android.bp
+++ b/Android.bp
@@ -26,6 +26,8 @@
     static_libs: [
         "kotlin-stdlib-jdk8",
         "androidx.core_core-ktx",
+        "androidx.fragment_fragment-ktx",
+        "androidx.activity_activity-ktx",
         "androidx.preference_preference",
         "androidx.documentfile_documentfile",
         "androidx.lifecycle_lifecycle-viewmodel-ktx",
diff --git a/storage/lib/Android.bp b/storage/lib/Android.bp
index 3712d5f..4d25e3d 100644
--- a/storage/lib/Android.bp
+++ b/storage/lib/Android.bp
@@ -17,6 +17,8 @@
         "seedvault-lib-tink-android",
         "libprotobuf-java-lite",
         "androidx.core_core-ktx",
+        "androidx.fragment_fragment-ktx",
+        "androidx.activity_activity-ktx",
         "androidx.documentfile_documentfile",
         "androidx.lifecycle_lifecycle-viewmodel-ktx",
         "androidx.room_room-runtime",