[iOS] Use the colorful mic icon in original rendering mode.

We mistakingly were using UIImageRenderingModeAlwaysTemplate for the
new colored mic icon, stripping the color.
Use UIImageRenderingModeAlwaysOriginal to keep the colors from the png.

Bug: 868962
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I5556cba4ef5e888c03d48d091f635bee3cfb95a4
Reviewed-on: https://chromium-review.googlesource.com/1162171Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: Stepan Khapugin <stkhapugin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580542}

ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_utils.mm

@@ -260,7 +260,7 @@ void configureVoiceSearchButton(UIButton* voiceSearchButton,
   UIImage* micImage =
       IsUIRefreshPhase1Enabled()
           ? [[UIImage imageNamed:@"location_bar_voice"]
-                imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]
+                imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]
           : [UIImage imageNamed:@"voice_icon"];
   [voiceSearchButton setImage:micImage forState:UIControlStateNormal];
   if (IsUIRefreshPhase1Enabled()) {

ios/chrome/browser/ui/location_bar/location_bar_view_controller.mm

@@ -378,7 +378,7 @@ typedef NS_ENUM(int, TrailingButtonState) {
       [self.locationBarSteadyView.trailingButton
           setImage:
               [[UIImage imageNamed:@"location_bar_voice"]
-                  imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]
+                  imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]
           forState:UIControlStateNormal];
       self.locationBarSteadyView.trailingButton.accessibilityLabel =
           l10n_util::GetNSString(IDS_IOS_TOOLS_MENU_VOICE_SEARCH);