app: remove invalid color references

app/src/main/res/layout/decrypt_layout.xml

@@ -18,7 +18,6 @@
     android:layout_height="wrap_content"
     android:layout_gravity="center_vertical"
     android:layout_marginStart="16dp"
-    android:textColor="?android:attr/textColor"
     android:textIsSelectable="false"
     android:textSize="18sp"
     app:layout_constraintStart_toStartOf="parent"
@@ -38,7 +37,6 @@
     app:layout_constraintTop_toBottomOf="@id/password_category"
     tools:text="PASSWORD FILE NAME HERE" />
 
-
   <androidx.appcompat.widget.AppCompatImageView
     android:id="@+id/divider"
     android:layout_width="match_parent"

app/src/main/res/layout/password_recycler_view.xml

@@ -4,7 +4,6 @@
   -->
 
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:app="http://schemas.android.com/apk/res-auto"
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
@@ -35,7 +34,6 @@
     android:layout_alignParentBottom="true"
     android:layout_gravity="bottom|end"
     android:layout_margin="@dimen/fab_compat_margin"
-    android:src="@drawable/ic_add_48dp"
-    app:backgroundTint="?attr/colorSecondary"
-    app:rippleColor="?attr/colorSecondary" />
+    android:contentDescription="@string/password_list_fab_content_description"
+    android:src="@drawable/ic_add_48dp" />
 </androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/values/strings.xml

@@ -399,5 +399,6 @@
   <string name="otp_import_manual_hint_account">Account</string>
   <string name="gpg_key_select_mandatory">Selecting a GPG key is necessary to proceed</string>
   <string name="place_shortcut_on_home_screen">Place shortcut on home screen</string>
+  <string name="password_list_fab_content_description">Create new password or folder</string>
 
 </resources>