updater_sample: Add suspend/resume update

- Add suspend/resume buttons.
- UpdateManager: add suspend/resume control methods.
- UpdaterState: fix transitions.

Test: on the device
Bug: 77150010
Change-Id: I174edd32401f8232b5071eb1a2758a4704779801
Signed-off-by: Zhomart Mukhamejanov <zhomart@google.com>
diff --git a/updater_sample/res/layout/activity_main.xml b/updater_sample/res/layout/activity_main.xml
index 7cde42c..b560827 100644
--- a/updater_sample/res/layout/activity_main.xml
+++ b/updater_sample/res/layout/activity_main.xml
@@ -197,6 +197,29 @@
                     android:text="Reset" />
             </LinearLayout>
 
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="12dp"
+                android:orientation="horizontal">
+
+                <Button
+                    android:id="@+id/buttonSuspend"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:onClick="onSuspendClick"
+                    android:text="Suspend" />
+
+                <Button
+                    android:id="@+id/buttonResume"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:onClick="onResumeClick"
+                    android:text="Resume" />
+            </LinearLayout>
+
             <TextView
                 android:id="@+id/textViewUpdateInfo"
                 android:layout_width="wrap_content"