[LSC] Add LOCAL_LICENSE_KINDS to external/walt

Added SPDX-license-identifier-Apache-2.0 to:
  android/WALT/app/src/main/jni/Android.mk

Bug: 68860345
Bug: 151177513
Bug: 151953481

Test: m all

Exempt-From-Owner-Approval: janitorial work
Change-Id: Ic4bd96c96a68accaa7af94c81d0dfe0e5abe1bb2
diff --git a/android/WALT/app/src/main/jni/Android.mk b/android/WALT/app/src/main/jni/Android.mk
index edf1ddf..d01947c 100644
--- a/android/WALT/app/src/main/jni/Android.mk
+++ b/android/WALT/app/src/main/jni/Android.mk
@@ -18,6 +18,9 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE    := sync_clock_jni
+LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
+LOCAL_LICENSE_CONDITIONS := notice
+LOCAL_NOTICE_FILE := $(LOCAL_PATH)/../../../../../../LICENSE
 LOCAL_SRC_FILES := sync_clock_jni.c sync_clock.c player.c
 
 LOCAL_CFLAGS := -g -DUSE_LIBLOG -Werror -Wno-deprecated-declarations