Update comments for VtsHalTargetTestDefaults.

Bug: 64040096
Test: only comments added
Merged-In: I4a38aa0ed339c65aa4ffbe5c46489f27c745d5d6
Change-Id: I4a38aa0ed339c65aa4ffbe5c46489f27c745d5d6
(cherry picked from commit 1ef659eeda83c758e4f4bd0cc0f8143821d3b49c)

1 files changed, 6 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index 6c9bdd34..7ae00b66 100644
--- a/Android.bp
+++ b/Android.bp
@@ -10,15 +10,21 @@ cc_defaults {
     ],
 }
 
+// VTS tests must link to HAL definition libraries statically.
 cc_defaults {
     name: "VtsHalTargetTestDefaults",
     defaults: ["hidl_defaults"],
+
+    // Lists all dependencies that can *not* be expected on the device.
     static_libs: [
         "VtsHalHidlTargetTestBase",
     ],
     group_static_libs: true,
+
+    // Lists all system dependencies that can be expected on the device.
     shared_libs: [
         "libbase",
+        // All the following are dependencies of any HAL definition library.
         "libcutils",
         "liblog",
         "libhidlbase",