[LSC] Add LOCAL_LICENSE_KINDS to frameworks/libs/net

Added SPDX-license-identifier-Apache-2.0 to:
  client-libs/Android.bp
  client-libs/tests/unit/Android.bp
  common/Android.bp
  common/native/bpf_syscall_wrappers/Android.bp
  common/native/netjniutils/Android.bp
  common/tests/unit/Android.bp

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work

Change-Id: I2d4abaee12c1f20c39a7e2c9e02e2fccb96fa3ee
Merged-in: I6942c6844c89048f785f2b6eaa4bb33a24fa6f93
diff --git a/staticlibs/tests/unit/Android.bp b/staticlibs/tests/unit/Android.bp
index c00202e..4ce4b0e 100644
--- a/staticlibs/tests/unit/Android.bp
+++ b/staticlibs/tests/unit/Android.bp
@@ -2,6 +2,10 @@
 // Build NetworkStaticLibTests package
 //########################################################################
 
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
 android_library {
     name: "NetworkStaticLibTestsLib",
     srcs: ["src/**/*.java","src/**/*.kt"],
@@ -38,4 +42,3 @@
     jarjar_rules: "jarjar-rules.txt",
     test_suites: ["device-tests"],
 }
-