Roll src/third_party/libsrtp/ 650611720..6907d995c (1 commit)

https://chromium.googlesource.com/chromium/deps/libsrtp.git/+log/650611720ecc..6907d995c797

$ git log 650611720..6907d995c --date=short --no-merges --format='%ad %ae %s'
2019-10-07 efoo Add "# COMPONENT" to libsrtp OWNERS file

Created with:
  roll-dep src/third_party/libsrtp

Bug: None
Change-Id: If9cdcf85acb209589c92b28a418872fe183e25ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2488547
Auto-Submit: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821606}

DEPS

@@ -1151,7 +1151,7 @@ deps = {
     Var('chromium_git') + '/external/github.com/google/libprotobuf-mutator.git' + '@' +  Var('libprotobuf-mutator'),
 
   'src/third_party/libsrtp':
-    Var('chromium_git') + '/chromium/deps/libsrtp.git' + '@' + '650611720ecc23e0e6b32b0e3100f8b4df91696c',
+    Var('chromium_git') + '/chromium/deps/libsrtp.git' + '@' + '6907d995c7975c2865f6f94f79638c25c342e95c',
 
   # Android Explicit Synchronization.
   'src/third_party/libsync/src': {