Merge #427 by snazhmudinov: Expose android.car.jar

Ports [this](bazelbuild/bazel#20712) change to rules_android.
Closes #299
Closes #427

COPYBARA_INTEGRATE_REVIEW=#427 from snazhmudinov:sherozn/expose-android-car-jar 2941f6f
PiperOrigin-RevId: 839514947
Change-Id: I6399ce82379d06e3671d00d3e2bfcf662bf49bce

Author: snazhmudinov

rules/android_sdk_repository/helper.bzl

@@ -185,6 +185,14 @@ def create_android_sdk_rules(
                 neverlink = 1,
             )
 
+        if api_level >= 29:
+            # Android 29 is min api that compatible with Car App Library
+            java_import(
+                name = "android_car-%d" % api_level,
+                jars = ["platforms/android-%d/optional/android.car.jar" % api_level],
+                neverlink = 1,
+            )
+
         native.config_setting(
             name = "api_%d_enabled" % api_level,
             flag_values = {
@@ -246,6 +254,12 @@ def create_android_sdk_rules(
 
     create_dummy_sdk_toolchain()
 
+    if default_api_level >= 29:
+        native.alias(
+            name = "android_car",
+            actual = "android_car-%d" % default_api_level,
+        )
+
     native.alias(
         name = "org_apache_http_legacy",
         actual = ":org_apache_http_legacy-%d" % default_api_level,