Update prebuilt SDK to 1540531

Change-Id: Ia2f43869c228f70391a893b723ba75a2df367f6f
diff --git a/current/support/v17/leanback/res/values-en-rGB/strings.xml b/current/support/v17/leanback/res/values-en-rGB/strings.xml
index 666fa5c..8e071b3 100644
--- a/current/support/v17/leanback/res/values-en-rGB/strings.xml
+++ b/current/support/v17/leanback/res/values-en-rGB/strings.xml
@@ -22,4 +22,24 @@
     <string name="lb_search_bar_hint_speech" msgid="5511270823320183816">"Speak to search"</string>
     <string name="lb_search_bar_hint_with_title" msgid="1627103380996590035">"Search <xliff:g id="SEARCH_CONTEXT">%1$s</xliff:g>"</string>
     <string name="lb_search_bar_hint_with_title_speech" msgid="2712734639766312034">"Speak to search <xliff:g id="SEARCH_CONTEXT">%1$s</xliff:g>"</string>
+    <string name="lb_playback_controls_play" msgid="731953341987346903">"Play"</string>
+    <string name="lb_playback_controls_pause" msgid="6189521112079849518">"Pause"</string>
+    <string name="lb_playback_controls_fast_forward" msgid="8569951318244687220">"Fast-Forward"</string>
+    <string name="lb_playback_controls_rewind" msgid="2227196334132350684">"Rewind"</string>
+    <string name="lb_playback_controls_skip_next" msgid="2946499493161095772">"Skip Next"</string>
+    <string name="lb_playback_controls_skip_previous" msgid="2326801832933178348">"Skip Previous"</string>
+    <string name="lb_playback_controls_more_actions" msgid="2330770008796987655">"More Actions"</string>
+    <string name="lb_playback_controls_thumb_up" msgid="6530420347129222601">"Deselect Thumb Up"</string>
+    <string name="lb_playback_controls_thumb_up_outline" msgid="1577637924003500946">"Select Thumb Up"</string>
+    <string name="lb_playback_controls_thumb_down" msgid="4498041193172964797">"Deselect Thumb Down"</string>
+    <string name="lb_playback_controls_thumb_down_outline" msgid="2936020280629424365">"Select Thumb Down"</string>
+    <string name="lb_playback_controls_repeat_none" msgid="87476947476529036">"Repeat None"</string>
+    <string name="lb_playback_controls_repeat_all" msgid="6730354406289599000">"Repeat All"</string>
+    <string name="lb_playback_controls_repeat_one" msgid="3285202316452203619">"Repeat One"</string>
+    <string name="lb_playback_controls_shuffle_enable" msgid="1099874107835264529">"Enable Shuffle"</string>
+    <string name="lb_playback_controls_shuffle_disable" msgid="8388150597335115226">"Disable Shuffle"</string>
+    <string name="lb_playback_controls_high_quality_enable" msgid="202415780019335254">"Enable High Quality"</string>
+    <string name="lb_playback_controls_high_quality_disable" msgid="8637371582779057866">"Disable High Quality"</string>
+    <string name="lb_playback_controls_closed_captioning_enable" msgid="2429655367176440226">"Enable Closed Captioning"</string>
+    <string name="lb_playback_controls_closed_captioning_disable" msgid="6133362019475930048">"Disable Closed Captioning"</string>
 </resources>