Add @TestInstallIn and @UninstallModules to hilt_android_testing

@TestInstallIn lives in external/dagger2/java/dagger/hilt/testing, so it
isn't currently being included in hilt_android_testing

@UninstallIn also doesn't work currently, since the neccessary code
wasn't being included

Bug: 260101583
Test: verified @TestInstallIn works using a test which depends on
hilt_android_test

Change-Id: I49d7899115b846a977f9b1dd9228d49d242c087a
(cherry picked from commit 6266c04127f99f3b882a4bdbb89c0049bb7d6405)
Merged-In: I49d7899115b846a977f9b1dd9228d49d242c087a
diff --git a/Android.bp b/Android.bp
index 57771c5..0e09789 100644
--- a/Android.bp
+++ b/Android.bp
@@ -290,7 +290,9 @@
 
     srcs: [
         "java/dagger/hilt/android/internal/testing/*.java",
+        "java/dagger/hilt/android/internal/uninstallmodules/*.java",
         "java/dagger/hilt/android/testing/*.java",
+        "java/dagger/hilt/testing/*.java",
     ],
     manifest: "java/dagger/hilt/android/testing/AndroidManifest.xml",
     static_libs: [