[glance] Add Material 2 helper module

Adds a function to convert a material 2 `Colors` to the Material 3 based
glance ColorProviders
Bug: https://b.corp.google.com/issues/256687819
Test: demo widget
Relnote: new api and module

Change-Id: If26f690e51e27bdfbc60a110f5f7170538828dc5
diff --git a/settings.gradle b/settings.gradle
index 611aebc..a4774da 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -660,6 +660,7 @@
 includeProject(":glance:glance-appwidget:integration-tests:template-demos", [BuildType.GLANCE])
 includeProject(":glance:glance-appwidget:glance-layout-generator", [BuildType.GLANCE])
 includeProject(":glance:glance-preview", [BuildType.GLANCE])
+includeProject(":glance:glance-material", [BuildType.GLANCE])
 includeProject(":glance:glance-material3", [BuildType.GLANCE])
 includeProject(":glance:glance-wear-tiles:integration-tests:demos", [BuildType.GLANCE])
 includeProject(":glance:glance-wear-tiles:integration-tests:template-demos", [BuildType.GLANCE])