feat(mobile): android widgets (#19310)

* wip

* wip widgets

* more wip changes

* latest changes

* working random widget

* cleanup

* add configurable widget

* add memory widget and cleanup of codebase

* album name handling

* add deeplinks

* finish minor refactoring and add some polish :)

* fix single shot type on random widget

Co-authored-by: shenlong <139912620+shenlong-tanwen@users.noreply.github.com>

* switch to ExposedDropdownMenuBox for random configure activity

* handle empty album and no connection edge cases

* android project cleanup

* fix proguard and gson issues

* fix deletion handling

* fix proguard stripping for widget model classes/enums

* change random configuration activity close to a checkmark on right side

---------

Co-authored-by: shenlong <139912620+shenlong-tanwen@users.noreply.github.com>

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

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+  <string name="memory_widget_title">Memories</string>
+  <string name="random_widget_title">Random</string>
+
+  <string name="memory_widget_description">See memories from Immich.</string>
+  <string name="random_widget_description">View a random image from your library or a specific album.</string>
+</resources>

mobile/android/app/src/main/res/xml/memory_widget.xml

@@ -0,0 +1,9 @@
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+  android:initialLayout="@layout/glance_default_loading_layout"
+  android:minWidth="110dp"
+  android:minHeight="110dp"
+  android:resizeMode="horizontal|vertical"
+  android:updatePeriodMillis="1200000"
+  android:description="@string/memory_widget_description"
+  android:previewImage="@drawable/memory_preview"
+  />

mobile/android/app/src/main/res/xml/random_widget.xml

@@ -0,0 +1,13 @@
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:initialLayout="@layout/glance_default_loading_layout"
+  android:minWidth="110dp"
+  android:minHeight="110dp"
+  android:resizeMode="horizontal|vertical"
+  android:updatePeriodMillis="1200000"
+  android:configure="app.alextran.immich.widget.configure.RandomConfigure"
+  android:widgetFeatures="reconfigurable|configuration_optional"
+  tools:targetApi="28"
+  android:description="@string/random_widget_description"
+  android:previewImage="@drawable/random_preview"
+  />