Move unittest_data to internal/testing.

tools/telemetry/unittest_data/proc_meminfo

Index: tools/telemetry/unittest_data/proc_meminfo
diff --git a/tools/telemetry/unittest_data/proc_meminfo b/tools/telemetry/unittest_data/proc_meminfo
deleted file mode 100644
index 600101ab343500a3f6a14c4509a7e868b41c6617..0000000000000000000000000000000000000000
--- a/tools/telemetry/unittest_data/proc_meminfo
+++ /dev/null
@@ -1,43 +0,0 @@
-MemTotal:       65897648 kB
-MemFree:         1084568 kB
-Buffers:         1221540 kB
-Cached:         38339400 kB
-SwapCached:       119564 kB
-Active:         38582600 kB
-Inactive:       20341624 kB
-Active(anon):   17113656 kB
-Inactive(anon):  2566996 kB
-Active(file):   21468944 kB
-Inactive(file): 17774628 kB
-Unevictable:       27280 kB
-Mlocked:           27280 kB
-SwapTotal:       1048572 kB
-SwapFree:              8 kB
-Dirty:               452 kB
-Writeback:             0 kB
-AnonPages:      19271176 kB
-Mapped:           724456 kB
-Shmem:            290412 kB
-Slab:            5047568 kB
-SReclaimable:    4773516 kB
-SUnreclaim:       274052 kB
-KernelStack:       21824 kB
-PageTables:       133852 kB
-NFS_Unstable:          0 kB
-Bounce:                0 kB
-WritebackTmp:          0 kB
-CommitLimit:    33997396 kB
-Committed_AS:   36218868 kB
-VmallocTotal:   34359738367 kB
-VmallocUsed:      338372 kB
-VmallocChunk:   34325659540 kB
-HardwareCorrupted:     0 kB
-AnonHugePages:   9410560 kB
-HugePages_Total:       0
-HugePages_Free:        0
-HugePages_Rsvd:        0
-HugePages_Surp:        0
-Hugepagesize:       2048 kB
-DirectMap4k:     6369212 kB
-DirectMap2M:    58564608 kB
-DirectMap1G:     2097152 kB