* #39226: Switch back to pjsip rev 4710

Rev 4716 introduces errors when building for android (miltiple definitions)
diff --git a/jni/pjproject-android/pjsip-apps/build/Makefile b/jni/pjproject-android/pjsip-apps/build/Makefile
index 62471e5..c776de1 100644
--- a/jni/pjproject-android/pjsip-apps/build/Makefile
+++ b/jni/pjproject-android/pjsip-apps/build/Makefile
@@ -58,8 +58,16 @@
 
 
 export CC_OUT CC AR RANLIB HOST_MV HOST_RM HOST_RMDIR HOST_MKDIR OBJEXT LD LDOUT 
-
-TARGETS := $(PJSUA_EXE) $(PJSYSTEST_EXE) samples
+###############################################################################
+# Main entry
+#
+#
+#  x   x  x  x  x  x  x   x  x  x  x  x  x   x  x  x  x  x  x   x  x  x  x  x
+#
+#                FIX THIS
+#
+#  x   x  x  x  x  x  x   x  x  x  x  x  x   x  x  x  x  x  x   x  x  x  x  x
+TARGETS := $(BINDIR)/$(PJSUA_EXE) $(BINDIR)/$(PJSYSTEST_EXE) samples
 
 all: $(TARGETS)