Remove "sRGB IEC61966-2.1" profile to supress libpng warning

The above ICC profile causes the following libpng warnings while APK
packaging.

* libpng warning: iCCP: known incorrect sRGB profile
* libpng warning: iCCP: profile 'icc': 'RGB ': RGB color space not
  permitted on grayscale PNG

Bug: 11869853
Change-Id: Ida296d9e3bbd2abaae7c7500d77c8dc54d8b2382
diff --git a/java/res/drawable-hdpi/sym_keyboard_feedback_tab.png b/java/res/drawable-hdpi/sym_keyboard_feedback_tab.png
index d75fcac..d85663b 100644
--- a/java/res/drawable-hdpi/sym_keyboard_feedback_tab.png
+++ b/java/res/drawable-hdpi/sym_keyboard_feedback_tab.png
Binary files differ
diff --git a/java/res/drawable-hdpi/sym_keyboard_space.png b/java/res/drawable-hdpi/sym_keyboard_space.png
index 780733e..78cd6b7 100644
--- a/java/res/drawable-hdpi/sym_keyboard_space.png
+++ b/java/res/drawable-hdpi/sym_keyboard_space.png
Binary files differ
diff --git a/java/res/drawable-mdpi/more_keys_divider.png b/java/res/drawable-mdpi/more_keys_divider.png
index a46284f..0f71c61 100644
--- a/java/res/drawable-mdpi/more_keys_divider.png
+++ b/java/res/drawable-mdpi/more_keys_divider.png
Binary files differ
diff --git a/java/res/drawable-mdpi/more_suggestions_divider.png b/java/res/drawable-mdpi/more_suggestions_divider.png
index a46284f..0f71c61 100644
--- a/java/res/drawable-mdpi/more_suggestions_divider.png
+++ b/java/res/drawable-mdpi/more_suggestions_divider.png
Binary files differ
diff --git a/java/res/drawable-mdpi/sym_keyboard_feedback_tab.png b/java/res/drawable-mdpi/sym_keyboard_feedback_tab.png
index a10dc8f..fee1580 100644
--- a/java/res/drawable-mdpi/sym_keyboard_feedback_tab.png
+++ b/java/res/drawable-mdpi/sym_keyboard_feedback_tab.png
Binary files differ
diff --git a/java/res/drawable-mdpi/sym_keyboard_space.png b/java/res/drawable-mdpi/sym_keyboard_space.png
index cbe4a88..6d03e63 100644
--- a/java/res/drawable-mdpi/sym_keyboard_space.png
+++ b/java/res/drawable-mdpi/sym_keyboard_space.png
Binary files differ
diff --git a/java/res/drawable-xhdpi/sym_keyboard_feedback_tab.png b/java/res/drawable-xhdpi/sym_keyboard_feedback_tab.png
index 0650e01..b0ee35d 100644
--- a/java/res/drawable-xhdpi/sym_keyboard_feedback_tab.png
+++ b/java/res/drawable-xhdpi/sym_keyboard_feedback_tab.png
Binary files differ
diff --git a/java/res/drawable-xhdpi/sym_keyboard_space.png b/java/res/drawable-xhdpi/sym_keyboard_space.png
index 66fc3e9..3691280 100644
--- a/java/res/drawable-xhdpi/sym_keyboard_space.png
+++ b/java/res/drawable-xhdpi/sym_keyboard_space.png
Binary files differ
diff --git a/java/res/drawable-xxhdpi/keyboard_key_feedback_left_background_klp.9.png b/java/res/drawable-xxhdpi/keyboard_key_feedback_left_background_klp.9.png
index 2079e04..3ab7900 100644
--- a/java/res/drawable-xxhdpi/keyboard_key_feedback_left_background_klp.9.png
+++ b/java/res/drawable-xxhdpi/keyboard_key_feedback_left_background_klp.9.png
Binary files differ
diff --git a/java/res/drawable-xxhdpi/keyboard_key_feedback_left_more_background_klp.9.png b/java/res/drawable-xxhdpi/keyboard_key_feedback_left_more_background_klp.9.png
index c4178d9..99543a1 100644
--- a/java/res/drawable-xxhdpi/keyboard_key_feedback_left_more_background_klp.9.png
+++ b/java/res/drawable-xxhdpi/keyboard_key_feedback_left_more_background_klp.9.png
Binary files differ
diff --git a/java/res/drawable-xxhdpi/keyboard_key_feedback_right_background_klp.9.png b/java/res/drawable-xxhdpi/keyboard_key_feedback_right_background_klp.9.png
index d3d8733..e9e3792 100644
--- a/java/res/drawable-xxhdpi/keyboard_key_feedback_right_background_klp.9.png
+++ b/java/res/drawable-xxhdpi/keyboard_key_feedback_right_background_klp.9.png
Binary files differ
diff --git a/java/res/drawable-xxhdpi/keyboard_key_feedback_right_more_background_klp.9.png b/java/res/drawable-xxhdpi/keyboard_key_feedback_right_more_background_klp.9.png
index d7ec8bc..6c1143a 100644
--- a/java/res/drawable-xxhdpi/keyboard_key_feedback_right_more_background_klp.9.png
+++ b/java/res/drawable-xxhdpi/keyboard_key_feedback_right_more_background_klp.9.png
Binary files differ