Update mdpi assets

bug: 2973737

Change-Id: I2efc96886a3f5656ca3d9e799a4052f044e61e70
diff --git a/java/res/drawable-mdpi/keyboard_popup_panel_background.9.png b/java/res/drawable-mdpi/keyboard_popup_panel_background.9.png
index 36d75df..0d9ab97 100644
--- a/java/res/drawable-mdpi/keyboard_popup_panel_background.9.png
+++ b/java/res/drawable-mdpi/keyboard_popup_panel_background.9.png
Binary files differ
diff --git a/java/res/drawable-mdpi/sym_keyboard_space_led.9.png b/java/res/drawable-mdpi/sym_keyboard_space_led.9.png
index 71da573..1c1ca2c 100644
--- a/java/res/drawable-mdpi/sym_keyboard_space_led.9.png
+++ b/java/res/drawable-mdpi/sym_keyboard_space_led.9.png
Binary files differ
diff --git a/java/res/drawable-mdpi/voice_ime_background.9.png b/java/res/drawable-mdpi/voice_ime_background.9.png
index 6780249..9b15bc2 100644
--- a/java/res/drawable-mdpi/voice_ime_background.9.png
+++ b/java/res/drawable-mdpi/voice_ime_background.9.png
Binary files differ