* #39226: Switch back to pjsip rev 4710

Rev 4716 introduces errors when building for android (miltiple definitions)
diff --git a/jni/pjproject-android/.svn/pristine/42/42c1c750dd66f8ab816414c759ec16eac4ea3e69.svn-base b/jni/pjproject-android/.svn/pristine/42/42c1c750dd66f8ab816414c759ec16eac4ea3e69.svn-base
new file mode 100644
index 0000000..6b83fd4
--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/42/42c1c750dd66f8ab816414c759ec16eac4ea3e69.svn-base
@@ -0,0 +1 @@
+#include "../../../portaudio/src/hostapi/coreaudio/pa_mac_core_blocking.h"