Removing ext_test directory

Except for a few methods, most of the testing code was already in the main
codebase. Maintaining the additional source directory adds unnecessary overhead

Bug: 330920490
Test: Presubmit
Flag: None
Change-Id: I56c43ab7a4869b26858d622d0b8b14f286d50e90
diff --git a/Android.bp b/Android.bp
index cdada0a..f45394a 100644
--- a/Android.bp
+++ b/Android.bp
@@ -17,7 +17,7 @@
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
-min_launcher3_sdk_version = "26"
+min_launcher3_sdk_version = "30"
 
 // Common source files used to build launcher (java and kotlin)
 // All sources are split so they can be reused in many other libraries/apps in other folders
@@ -69,22 +69,6 @@
     ],
 }
 
-filegroup {
-    name: "launcher-ext_tests",
-    srcs: [
-        "ext_tests/**/*.java",
-        "ext_tests/**/*.kt",
-    ],
-}
-
-filegroup {
-    name: "launcher-quickstep-ext_tests",
-    srcs: [
-        "quickstep/ext_tests/**/*.java",
-        "quickstep/ext_tests/**/*.kt",
-    ],
-}
-
 // Proguard files for Launcher3
 filegroup {
     name: "launcher-proguard-rules",
@@ -186,7 +170,7 @@
     sdk_version: "current",
     min_sdk_version: min_launcher3_sdk_version,
     lint: {
-        baseline_filename: "lint-baseline2.xml",
+        baseline_filename: "lint-baseline.xml",
     },
 }
 
@@ -212,7 +196,7 @@
     min_sdk_version: min_launcher3_sdk_version,
     manifest: "AndroidManifest-common.xml",
     lint: {
-        baseline_filename: "lint-baseline2.xml",
+        baseline_filename: "lint-baseline.xml",
     },
 }
 
@@ -229,11 +213,8 @@
         ":launcher-src",
         ":launcher-src_shortcuts_overrides",
         ":launcher-src_ui_overrides",
-        ":launcher-ext_tests",
     ],
-    resource_dirs: [
-        "ext_tests/res",
-    ],
+
     optimize: {
         proguard_flags_files: ["proguard.flags"],
         // Proguard is disable for testing. Derivarive prjects to keep proguard enabled