Add lint baseline to address NewApi errors

We are enabling a new lint check where the min sdk != compile sdk.
It has produced a lot of errors and adding the baseline file(s)
allows us to continue work without introducing more problems.

Bug: 150847901

Test: m lint-check
Change-Id: I98a4552b18780102f21a1a0ab3333248619c1948
diff --git a/notification/lint-baseline.xml b/notification/lint-baseline.xml
new file mode 100644
index 0000000..f2530d7
--- /dev/null
+++ b/notification/lint-baseline.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<issues format="5" by="lint 4.1.0" client="cli" variant="all" version="4.1.0">
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.app.Notification#getContextualActions`"
+        errorLine1="    boolean hasAppGeneratedContextualActions = !notification.getContextualActions().isEmpty();"
+        errorLine2="                                                             ~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="external/libtextclassifier/notification/src/com/android/textclassifier/notification/SmartSuggestionsHelper.java"
+            line="246"
+            column="62"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.app.Notification#findRemoteInputActionPair`"
+        errorLine1="        notification.findRemoteInputActionPair(/* requiresFreeform */ true);"
+        errorLine2="                     ~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="external/libtextclassifier/notification/src/com/android/textclassifier/notification/SmartSuggestionsHelper.java"
+            line="249"
+            column="22"/>
+    </issue>
+
+    <issue
+        id="NewApi"
+        message="Call requires API level R (current min is 29): `android.app.Notification.MessagingStyle.Message#getMessagesFromBundleArray`"
+        errorLine1="        Message.getMessagesFromBundleArray("
+        errorLine2="                ~~~~~~~~~~~~~~~~~~~~~~~~~~">
+        <location
+            file="external/libtextclassifier/notification/src/com/android/textclassifier/notification/SmartSuggestionsHelper.java"
+            line="440"
+            column="17"/>
+    </issue>
+
+</issues>