selftests: android: Fix custom install from skipping test progs

Update custom install rule to install all generated test programs. This
fixes android/ion tests to be installed correctly.

Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

tools/testing/selftests/android/Makefile

@@ -21,7 +21,7 @@ all:
 
 override define INSTALL_RULE
 	mkdir -p $(INSTALL_PATH)
-	install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)
+install -t $(INSTALL_PATH) $(TEST_PROGS) $(TEST_PROGS_EXTENDED) $(TEST_FILES)  $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
 
 	@for SUBDIR in $(SUBDIRS); do \
 		BUILD_TARGET=$(OUTPUT)/$$SUBDIR;	\