Add javadoc generation for new API androidx.test.ext.truth.location

Add thus increment ext.truth version to 1.3.0-alpha01

PiperOrigin-RevId: 253311646

Author: brettchabot

build_extensions/axt_versions.bzl

@@ -8,7 +8,7 @@ RUNNER_VERSION = "1.3.0-alpha01"
 ESPRESSO_VERSION = "3.3.0-alpha01"
 CORE_VERSION = "1.2.1-alpha01"
 ANDROIDX_JUNIT_VERSION = "1.1.2-alpha01"
-ANDROIDX_TRUTH_VERSION = "1.2.1-alpha01"
+ANDROIDX_TRUTH_VERSION = "1.3.0-alpha01"
 UIAUTOMATOR_VERSION = "2.2.0"
 JANK_VERSION = "1.0.1"