Merge the SEEK_COUNT instrumentation enhancement from trunk.

FossilOrigin-Name: 689ede95644fb45ecaeae539d4e3163819f5de2c50e76bf6860f3a0c184d6e57

diff --cc manifest
index c37268932b1270928115edb24fc5d8253c415f6a,109f2f8d590ebbad45291fc7b9bf3db6533c8a52..fdddb245db34310f46eb8fcf982afc02ff62bb28
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C An\sattempt\sto\simprove\sthe\sperformance\sof\sthe\sIN-early-out\soptimization\n(see\scheck-in\s[09fffbdf9f2f6ce3])\sby\savoiding\sunnecessary\scalls\sto\sthe\nb-tree\ssearch\salgorithm\sin\sOP_IfNoHope\swhen\sthe\sindex\skey\sis\sat\shand\sand\nthe\ssame\sanswer\scan\sbe\sobtained\sby\sdoing\sa\squick\skey\scomparison.
- D 2020-08-31T16:31:00.075
 -C New\stest-control\sthat\sreturns\sthe\snumber\sof\scalls\sto\nsqlite3BtreeMovetoUnpacked()\son\sthe\smain\sdatabase\sand\sthen\sresets\sthe\ncounter.\s\sThis\sonly\sworks\sfor\sSQLITE_DEBUG\sbuilds.
 -D 2020-08-31T18:49:04.199
++C Merge\sthe\sSEEK_COUNT\sinstrumentation\senhancement\sfrom\strunk.
++D 2020-08-31T19:58:08.868
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -1879,10 -1879,7 +1879,7 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
--P 62f7d2a61259f296ffdcb3b3ee1a13925c4563ac8ed669f8a8a63fc7bc3a0a37
- R fe444095b3e78d9325a2970b51b1a43d
- T *branch * in-early-out
- T *sym-in-early-out *
- T -sym-trunk *
 -R 36c4a7f200dd414f60f8ce85e07a7d72
++P e9d983c6830efdfdb734409465f071f38acf3050571aadb9b05b885328baf77c dca5b91926431768babac28a6faf7674a5014db95caba727995b470e92b3182a
++R cc2aec3d62a349e75ae66ac642473988
  U drh
- Z effb995a21bb3b32c1f5d827a8cd2f01
 -Z c26168864fbe1f1e12628f6c3cbbb874
++Z 7d19aa57c71995be053e59dd057811e6

diff --cc manifest.uuid
index 1be0ec858d3bacb7e3fb4d34c21a3f47b3c5714f,df3b6a68d11c0234fbdc2949d18170baa06fd53a..3c8c0cb057ba9d8ccbca9c2325f95cc5963726c9
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- e9d983c6830efdfdb734409465f071f38acf3050571aadb9b05b885328baf77c
 -dca5b91926431768babac28a6faf7674a5014db95caba727995b470e92b3182a
++689ede95644fb45ecaeae539d4e3163819f5de2c50e76bf6860f3a0c184d6e57